Cam Lobe Master Catalog

Transcription

M A S T E R LO B E P RO F I L E C ATA LO G
The Absolute Leader In
Valve Train Performance
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WINNING CAMSHAFTS
DON’T HAPPEN BY ACCIDENT
AT COMP CAMS® NOTHING ESCAPES OUR THINKING. RESEARCH, DESIGN, MANUFACTURING
AND TESTING; WHEN IT COMES TO YOUR NEXT CAMSHAFT, NO DETAIL IS TOO SMALL.
It is a well-known fact that many companies can go
through the motions of grinding camshafts. However
the horsepower ultimately delivered by a camshaft is
determined long before it ever reaches a grinding
machine. The fact of the matter is that regardless of
how well the grinding process is executed, a camshaft
is only as good as the design and engineering being
applied. Camshaft lobe profiles control the critical opening and closing of the valves - the single most important factor for creating race-winning horsepower. That’s
why COMP Cams® invests more in research and development than any other cam manufacturer in the world.
By selecting a COMP Cams® camshaft you can rest
easy knowing that COMP has invested thousands of
hours and millions of dollars to ensure that every
detail has been optimized to out-perform the competition. In racing, there are many areas to save a few
dollars; a camshaft is not one of them. That’s the real
truth about camshafts.
BETTER ENGINEERING
IS THE REAL HP SECRET
CAM HELP® CAN HELP
Sure, we utilize state-of-the-art cam grinding equipment operated by expert craftsman with decades of
experience. But the real secret to making more usable
horsepower can be traced to the COMP Cams® engineering department, the largest in the industry. They
spend thousands of hours designing and testing
camshaft concepts until the optimal lobe designs and
matching components are found. That’s why comparing
camshafts that at first glance seem to have similar lift
and duration numbers just doesn’t tell the whole story.
You owe it to your racing fortunes to look beyond a few
general specs, to the hundreds of other critical specifications, measurements and tolerances that make the difference between middle of the pack and victory lane.
It’s 7:30 PM on Friday night; do you know where your
camshaft company is? CAM HELP®, the industry’s only
toll-free valve train help line, is staffed by valve train
experts with the experience and training to answer
all of your questions. CAM HELP® is available from
7 AM - 8 PM CST, Monday - Friday by calling
1-800-999-0853.
3406 DEMOCRAT RD • MEMPHIS, TN 38118 • 901.795.2400
CAM HELP® 1.800.999.0853
WWW.COMPCAMS.COM
COMP5448z
TABLE OF CONTENTS
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Solid Roller
High Energy™ Street . . . . . . . . . . . . . . . . .
Xtreme Energy™ Street . . . . . . . . . . . . . . .
Base Design . . . . . . . . . . . . . . . . . . . . . . .
Hi-Tech™ . . . . . . . . . . . . . . . . . . . . . . . . .
Hi-Torque .406” . . . . . . . . . . . . . . . . . . . . .
Hi-Tech™ .420” Exhaust . . . . . . . . . . . . . . .
Hi-Tech™ .420” . . . . . . . . . . . . . . . . . . . . .
RT Series . . . . . . . . . . . . . . . . . . . . . . . . .
NC Series . . . . . . . . . . . . . . . . . . . . . . . . .
RZ Series . . . . . . . . . . . . . . . . . . . . . . . . .
RZ Low Lift . . . . . . . . . . . . . . . . . . . . . . . .
RX Series . . . . . . . . . . . . . . . . . . . . . . . . .
CR Series . . . . . . . . . . . . . . . . . . . . . . . . .
CR Lift Rule . . . . . . . . . . . . . . . . . . . . . . . .
ZT Series . . . . . . . . . . . . . . . . . . . . . . . . .
ZS Series . . . . . . . . . . . . . . . . . . . . . . . . .
TD, TJ, & TJS Series . . . . . . . . . . . . . . . . .
TS Series . . . . . . . . . . . . . . . . . . . . . . . . .
High Ratio Restricted . . . . . . . . . . . . . . . . .
RP Series . . . . . . . . . . . . . . . . . . . . . . . . .
SP Series . . . . . . . . . . . . . . . . . . . . . . . . .
RC Series . . . . . . . . . . . . . . . . . . . . . . . . .
TK Series . . . . . . . . . . . . . . . . . . . . . . . . .
SP-TK Hi-Lift . . . . . . . . . . . . . . . . . . . . . . .
TK Lift Rule . . . . . . . . . . . . . . . . . . . . . . . .
Hi-Tech™ .440” Intake . . . . . . . . . . . . . . . .
Hi-Torque .440” . . . . . . . . . . . . . . . . . . . . .
Hi-Torque .460” . . . . . . . . . . . . . . . . . . . . .
Hi-Torque .420” Exhaust . . . . . . . . . . . . . . .
High Ratio – High RPM Super Stock . . . . . . .
HXL Series . . . . . . . . . . . . . . . . . . . . . . . .
High RPM Intake . . . . . . . . . . . . . . . . . . . .
Rev Drag Race Intake . . . . . . . . . . . . . . . . .
RX Drag Race Intake . . . . . . . . . . . . . . . . .
RX Pro Drag Race Intake . . . . . . . . . . . . . .
DR Pro Drag Race Intake . . . . . . . . . . . . . .
TS Pro Series . . . . . . . . . . . . . . . . . . . . . .
CE Drag Race Intake . . . . . . . . . . . . . . . . .
Dash 31 . . . . . . . . . . . . . . . . . . . . . . . . . .
Mountain Motor . . . . . . . . . . . . . . . . . . . . .
High RPM Exhaust . . . . . . . . . . . . . . . . . . .
JX Drag Race Exhaust . . . . . . . . . . . . . . . .
XCX Drag Race Exhaust . . . . . . . . . . . . . . .
XJX Exhaust Drag Race . . . . . . . . . . . . . . .
Pro Mod Exhaust . . . . . . . . . . . . . . . . . . . .
Chrysler Special Race . . . . . . . . . . . . . . . . .
Overhead Cam (Pivoting Follower)
Xtreme Energy™ Ford Modular 4.6 & 5.4L
– SOHC or DOHC . . . . . . . . . . . . . . . . . . . .
Ford 2000 – 2300 OHC Street . . . . . . . . . .
Ford 2000 – 2300 OHC Race . . . . . . . . . . .
Ford 2000 – 2300 OHC Race Roller Follower
GM Ecotech – Xtreme Energy™
OHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mitsubishi 4G63 – Xtreme Energy™
OHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nissan L16, 18, 20B . . . . . . . . . . . . . . . . .
Toyota 20R – 22RE . . . . . . . . . . . . . . . . . .
Overhead Cam (Direct Acting)
VW or Direct 1” Tappet . . . . . . . . . . . . . . .
OHC – Multipurpose Bucket Designs . . . . . . .
Quad 4 – Bucket Designs . . . . . . . . . . . . . .
OHZ – Street/Strip Bucket Designs . . . . . . .
Lobe Index
Numerical Listing with Page Numbers . . . . . .
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TABLE OF CONTENTS
How To Order
Selecting a Core . . . . . . . . . . . . . . . . . . .
Selecting Lobes . . . . . . . . . . . . . . . . . . . .
Choosing Lobe Separation Angle . . . . . . . .
Determining a Part Number & Grind
Number & Ordering . . . . . . . . . . . . . . . . .
Roller Cam Lobe Suffix Codes . . . . . . . . . .
Core Listings Non-Standard Journal Size . . .
Special Services . . . . . . . . . . . . . . . . . . . .
Core Listing . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Flat Tappet
High Energy™ . . . . . . . . . . . . . . . . . . . . .
Magnum . . . . . . . . . . . . . . . . . . . . . . . . .
Dual Energy™ . . . . . . . . . . . . . . . . . . . . .
Nostalgia Plus™ . . . . . . . . . . . . . . . . . . . .
Xtreme Energy™ . . . . . . . . . . . . . . . . . . .
XFI™ . . . . . . . . . . . . . . . . . . . . . . . . . . .
Race . . . . . . . . . . . . . . . . . . . . . . . . . . .
Purple Plus Hydraulics . . . . . . . . . . . . . . .
Xtreme Mopar Hydraulics . . . . . . . . . . . . .
Hydraulic Roller
High Energy™ & Magnum – Low & High Lift
Xtreme Energy™ . . . . . . . . . . . . . . . . . . .
Xtreme 4x4™ . . . . . . . . . . . . . . . . . . . . .
XFI™ . . . . . . . . . . . . . . . . . . . . . . . . . . .
Xtreme Marine™ . . . . . . . . . . . . . . . . . . .
Xtreme Marine™ - High Lift . . . . . . . . . . . .
Xtreme RPM for LS1 . . . . . . . . . . . . . . . .
Xtreme Energy™ XE-R for LS1 . . . . . . . . . .
Cheater HR Lift Rule Competition . . . . . . . .
Mustang R Lift Rule Competition . . . . . . . .
Xtreme Harley . . . . . . . . . . . . . . . . . . . . .
Solid Flat Tappet
High Energy™ & Magnum . . . . . . . . . . . . .
Nostalgia Plus™ . . . . . . . . . . . . . . . . . . . .
Xtreme Energy™ . . . . . . . . . . . . . . . . . . .
High Torque . . . . . . . . . . . . . . . . . . . . . . .
High RPM . . . . . . . . . . . . . . . . . . . . . . . .
Hi-Tech™ . . . . . . . . . . . . . . . . . . . . . . . .
Tight Lash . . . . . . . . . . . . . . . . . . . . . . . .
High RPM Series II . . . . . . . . . . . . . . . . . .
XTQ . . . . . . . . . . . . . . . . . . . . . . . . . . . .
XTX . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JF .330” Lift . . . . . . . . . . . . . . . . . . . . . .
Max Area (MA) . . . . . . . . . . . . . . . . . . . .
Max Area Lift Rule . . . . . . . . . . . . . . . . . .
MH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MHF . . . . . . . . . . . . . . . . . . . . . . . . . . .
FL & SQ . . . . . . . . . . . . . . . . . . . . . . . . .
High RPM Dash 12 . . . . . . . . . . . . . . . . .
Dash 13 . . . . . . . . . . . . . . . . . . . . . . . . .
F3 Exhaust . . . . . . . . . . . . . . . . . . . . . . .
D3C . . . . . . . . . . . . . . . . . . . . . . . . . . . .
XX Series . . . . . . . . . . . . . . . . . . . . . . . .
High Rocker Ratio . . . . . . . . . . . . . . . . . .
High Rocker Ratio Series II . . . . . . . . . . . .
N Series . . . . . . . . . . . . . . . . . . . . . . . . .
Oval + . . . . . . . . . . . . . . . . . . . . . . . . . . .
FE .875” . . . . . . . . . . . . . . . . . . . . . . . . .
TDLC . . . . . . . . . . . . . . . . . . . . . . . . . . .
T1N Series . . . . . . . . . . . . . . . . . . . . . . .
NRX . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chrysler Special . . . . . . . . . . . . . . . . . . . .
MP Solids . . . . . . . . . . . . . . . . . . . . . . . .
MM . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1
HOW TO ORDER
HOW TO ORDER
COMP Cams® leads the industry in camshaft lobe offerings.
With thousands of active lobes in the COMP library, the
combinations are infinite for any given engine. That means
that you can have a cam ground to your specific needs,
and you have the broadest selection of lobes available anywhere.
2. Selecting Lobes
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Some lobes specifically designated to be intake or exhaust
lobes do not necessarily have to be run on the valve for
which they were designed. If an exhaust lobe has the
desired spec for intake (or vise versa) they may be used
in that manner.
The lobes are listed on pages 8-61 and represent the
most current library of lobes offered by COMP Cams®.
They are arranged in groups, each of which is unique in
its application. Along with each group is a description of
each type, which is intended to help clarify each family
Choosing a cam for your specific application is a four-step of lobes so that you may accurately select lobes for
your application.
process:
Select a core
Select the lobes
Select a lobe separation angle
Determine the part number and grind number, and
order the cam
Camshaft lobes are broken into families, with each family Keep in mind while viewing the listings that certain flat taphaving been developed to fit the performance require- pet lobes are designed to be used only with correct
ments for certain applications. So, it is in that context that diameter lifters.
lobe selection should begin.
3. Choosing Lobe Separation Angle
1. Selecting a Core
Lobe separation angles (the angle in cam degrees
Within the parameter of core applications, we have between the intake and exhaust lobe are also referred to
fifteen cores that cover many engine applications. They are as “lobe centers”) are very engine combination dependent.
In general, a tighter separation (ex. 104°-106°) results in
designated as follows:
a “peakier” torque curve more suited to stick-shift cars
-0
Steel Billet Round Lobe
with multiple gear ratios to change between. Wider lobe
-5
Flat Tappet (Either Hydraulic or Solid Lifter)
separation (ex. 110°-112°) results in a broader, flatter
-5RR
Reverse Rotation Flat Tappet
torque curve that is more suited to automatic transmis-7
Special Flat Tappet
sion cars with fewer gears from which to choose.
-8
Street Roller (Either Hydraulic or Solid Roller)
Therefore, engines have to be more powerful over a
Special Material – Bronze Distributor Gear
broader rpm range. Also, as lobes get larger at .050”
Not Required on Most Applications
duration (275° and up), it is necessary to begin widening
-9
Steel Billet Roller
separation angles to lessen the amount of overlap that
-9L
OHC Roller Left
accumulates from the larger lobes.
-9R
OHC Roller Right
One final note about lobe separation angles - the cam
-9W
Welded Steel Billet Flat Tappet
cores that are available for each application are designed
-10
Steel Billet Roller
for nominal, standard lobe separation angles. Straying
-11
Steel Billet Roller
from this nominal angle too far in one direction or anoth-12
Steel Billet Roller
er can result in the heat-treated surface of the core being
-14
4/7 Swap Steel Billet Roller
ground through to the soft material underneath. Soft
-16
Steel Flat Tappet
lobes will fail in an engine if allowed to run for very long.
-47
4/7 Swap Steel Flat Tappet
Whether or not the heat-treated surface is ground
Special Note: The -0 core is a round lobe core that is not through also is obviously dependent on the lobe being
heat-treated. These cores must be roughed and then heatground on the core.
treated before finished lobe grinding takes place.
The complete core list follows on pages 5-7. The list is separated into the different cam core types. The part number
in front of each core is used in ordering a custom ground
cam for a particular engine type. It consists of a two-digit
prefix designating the engine type, followed by a dash (-)
and three consecutive zeros. The zeros indicate a custom
ground cam. Next are a dash and number from the core
designations previously listed.
4. Determining a Part Number and
Grind Number and Ordering
Example:
Engine Prefix
12-
Part Number
000
The bottom line is that not all grinds can go on every core
that is available. More popular engines, like the Small
Block Chevy, have a variety of cores available with varying
lobe separation angles that can accommodate almost any
grind. Less popular applications, like the Flathead Ford
V8, only have one core available. Therefore, they are
somewhat limited in terms of what grind will fit on the single existing core.
Core Type
-9
With the part number determined in the core selection
process, the grind number is the final step prior to orderThe number 12- indicates Small Block Chevy (found on the ing the cam. This process is simple and is accomplished
core listing on pages 5-7).
by picking up the “lobe number” that appears in the left
column of the lobe selection chart.
The number 000 indicates a custom grind.
The intake lobe will be first and the exhaust lobe will be
second, followed by the lobe separation angle.
The -9 indicates steel billet roller core.
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HOW TO ORDER
Part #: 12-000-5
HOW TO ORDER
For example, if lobe 5201 is selected as the intake and
5203 is selected as the exhaust, with a 106° lobe separation angle and this configuration is to be ground on a
Small Block Chevy core, the full number for ordering that
cam would be:
However, if you wanted to order a cam with the same
specs for a Big Block Chevy but with 55mm journals and a
.812” lifter wheel diameter, your grind number would be:
CB 4314RE/4074RE R110
Grind #: CS 5201/5203-H106
Core Listings Non-Standard Journal Size
Roller Cam Lobe Suffix Codes
When it comes to ordering a roller cam, there are two
things that need to be considered: journal diameter and
roller lifter wheel diameter. Journal size and wheel diameter are very important in making sure the lobe is performing to the specifications you require.
For example, if you were selecting lobes for a custom grind
Big Block Chevrolet cam then you would need to make sure
the lobes were designed for a Big Block Chevrolet journal
diameter (1.948”). If Small Block Chevrolet lobes were
used instead, the specifications of the cam would be inaccurate. The journal diameter of a Small Block Chevrolet is
1.868”. The lobes on the big block cam would “grow”
approximately 2 degrees if ground using small block lobe
designs. The same principle applies to various roller lifter
wheel diameters.
COMP Cams® has done the math for you, so all you need
to do is make sure you order the lobes with the right suffixes to signify the correct journal diameter and roller lifter
wheel diameter.
Master Suffix Codes for Various Roller Cam
Journal Diameters:
T – 1.750” (Very Small-V6 Buick, etc.)
N – 0.900” Base Circle Diameter (Any Journal Size)
S – 1.868” (Small Block Chevrolet)
B – 1.948” or 1.968” (Big Block Chevrolet or 50mm)
F – 2.036”, 2.051” or 2.081” (Small Block Ford and
Cleveland)
R – 2.1653” or 2.1234” (55mm, LS1 or Big Block Ford)
M – 2.3622” (60mm)
Chevrolet Small Block
1.868”
1.875”
1.948”
Stock Chevy Bearing Size
Stock Block with Roller Bearings
Stock Size Rocket Block or Big
Block
Rocket Block with Roller Bearing
Large Roller Bearing
1.968” or 50mm
2.165” or 55mm
Chevrolet Big Block
1.948”
1.968”
2.124”
Stock Chevy Bearing Size
Stock Block with Roller Bearings
Pro Stock Roller Bearing (Same
Size as Big Block Ford)
Large Roller Bearing “Jesel Core”
Large Roller Bearing
2.165” or 55mm
2.362” or 60mm
Ford Small Block, 351 Windsor & SVO Block
Journal
Journal
Journal
Journal
Journal
Journal
#1 – 2.080”
#2 – 2.065”
#3 – 2.050”
#4 – 2.035”
#5 – 2.020”
#1, 2, 3 & 4
– 2.165”
Stock
Stock
Stock
Stock
Stock
Bearing
Bearing
Bearing
Bearing
Bearing
Size
Size
Size
Size
Size
Roller Bearing – “Large Roller
Bearing” or “Roush Roller Bearing”
Roller Bearing – “Large Roller
Bearing” or “Roush Roller Bearing”
Roller Bearing – “Ford Motorsports” or “SVO Design Roller
Bearing”
Roller Bearing – New Design
Ford SVO
Journal #5 – 1.968”
All Journals – 2.051”
Chrysler Small Block
Journal #1 – 1.998”
Stock
Stock
Stock
Stock
Stock
Master Suffix Codes for Various Roller Lifter Journal #2 – 1.982”
Journal #3 – 1.967”
Wheel Diameters:
Journal #4 – 1.951”
Journal #5 – 1.561”
Journal #1, 2, 3, & 4
– 1.969”
E – 0.812” (from 0.792” to 0.832”)
G – 0.850” (from 0.830” to 0.870”)
H – 0.950” (from 0.930” to 0.970”)
U – 2.000” (1.000” Radius Sliding Tappet)
No Suffix – Standard (from 0.750” to 0.790”)
Ford
Ford
Ford
Ford
Ford
If you wanted to order a cam using lobe #4314 on the
intake and lobe #4074 on the exhaust for a Big Block
Chevy cam with standard journals, standard .750” lifter
wheel diameter and a 110° lobe separation, your grind
number would be:
2.362” or 60mm
Bearing
Bearing
Bearing
Bearing
Bearing
Size
Size
Size
Size
Size
Joey Arrington Style Roller
Bearing
Joey Arrington Style Roller
Bearing
Mopar Performance Roller
Bearing
Roller Bearing
Journal #5 – 1.575”
Examples:
Chrysler
Chrysler
Chrysler
Chrysler
Chrysler
CB 4314B/4074B R110
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SPECIAL SERVICES
SPECIAL SERVICES
remaining part) is removed by machining and a
new dowel pin is inserted.
COMP Cams® Special Services
A partial listing of the most common high end
treatments and special processes you can order
for your COMP Cams® camshaft. Additional services are available; contact us for any special needs.
Installation of Dual Dowel Pins - Part #1-121-1
For certain applications, dual dowel pins can be
installed to further ensure that the camshaft and
timing gear connection are secure. This is most
commonly done with early model Ford V8’s and
classic Chrysler Hemi engines. We can also
machine the timing gear to adapt to this new configuration.
Camshaft Surface Preparations
Nitriding - Part #1-111-1
This is the most effective process for extending
the life of a high performance flat tappet camshaft.
Nitriding increases the hardness of the camshaft
surface metal by physically injecting nitrogen “needles” into the surface of the lobes and journals to
increase their resistance to wear.
Drilling and Tapping Camshaft Nose Part #1-136-1
A process performed on Viper camshafts, the
nose of the camshaft is drilled and then tapped to
convert from a single timing gear bolt-up to a
three-bolt aftermarket timing chain set. This allows
for a wider selection of timing sets.
Camshaft Micropolishing - Part #1-114-1
This procedure removes microscopic imperfections in the surface of the metal. Micropolishing
can further increase the durability of the camshaft
and can be performed to just the camshaft lobes
or all wear surfaces.
Machining a Rear Camshaft Journal Groove Part #1-119-1
A process commonly performed on 1965-‘66 Big
Block 396cid Chevrolet engines, which features
oiling systems that require a groove be cut into the
rear journal of the camshaft. This was a two-year
only condition, not required in all 1967 and newer
Big Block Chevrolet engines.
Xtreme Surface Finish Enhancement Part #1-137-1
Our highest-quality finishing process involving considerably more polishing than any other procedure.
This is most commonly used in steel-on-steel contact valve train situations, such as high end circle
track flat tappet camshafts where billet materials
have repeated contact in extremely high rpm environments.
Machining of the Rear Pump Drive - Part #1-116-1
Allows sprint cars-style engines to run the fuel
pump from the rear of the camshaft rather than
traditional placements.
Side Cutting of Camshaft Lobes - Part #1-127-1
Precision Camshaft Measurement
A process often requested when the engine’s lifter
bores have been enlarged that helps to keep the
lifters from making contact with adjacent lobes.
Basic Camshaft Profiling - Part #1-126-1
Performed on two lobes of any camshaft, the component is measured to determine its lift, duration
and lobe centerline specifications.
Sleeving of the Camshaft Journal - Part #1-132-1
Most popular with Ford Windsor engine roller
bearing camshaft applications, a sleeve is placed
around the standard rear journal to increase the
size of the journal, making it compatible with rear
roller bearing usage.
Adcole Camshaft Profiling - Part #1-125-1
Our highest precision camshaft measuring device,
the Adcole checks all 16 camshaft lobes to determine that the cam meets all specifications
requested by the customer. The Adcole measures
camshaft specifications to 0.00001 of an inch.
Fuel Pump Lobe Regrinding - Part #9-999-1
A refinishing process used to clean up a fuel pump
lobe which may have been damaged or is showing
excessive wear.
Special Operations
Replacement of the Camshaft Dowel Pin Part #1-120-1
This is a process which repairs camshafts where
the current dowel pin has either been sheared off
or damaged in some manner. The old dowel pin (or
4
1
.
8
0
0
.
9
9
9
.
0
8
5
3
CAM CORES
CORE #
CORE DESCRIPTION
ENGINE
A
CAM CORES
FLAT TAPPET CAM CORES (HYDRAULIC OR SOLID)
10-000-5
AMC
68-000-5
AMC
114-000-5
AMC
63-000-5
BUICK
67-000-5
BUICK
69-000-5
BUICK
90-000-5
BUICK
91-000-5
BUICK
92-000-5
BUICK
96-000-5
BUICK
94-000-5
CADILLAC
11-000-5
CHEVROLET
11-000-5RR
CHEVROLET
12-000-5A
CHEVROLET
12-000-5RR
CHEVROLET
13-000-5
CHEVROLET
15-000-5
CHEVROLET
16-000-5
CHEVROLET
18-000-5
CHEVROLET
48-000-5
CHEVROLET
60-000-5
CHEVROLET
61-000-5
CHEVROLET
62-000-5
CHEVROLET
77-000-5
CHEVROLET
89-000-5
CHEVROLET
20-000-5A
CHRYSLER
21-000-5
CHRYSLER
22-000-5
CHRYSLER
23-000-5
CHRYSLER
24-000-5
CHRYSLER
26-000-5
CHRYSLER
64-000-5
CHRYSLER
31-000-5
FORD
32-000-5
FORD
33-000-5
FORD
34-000-5
FORD
35-000-5
FORD
35-000-5RR
FORD
36-000-5
FORD
37-000-5
FORD
38-000-5
FORD
41-000-7
FORD
44-000-5
FORD
65-000-5
FORD
66-000-5
FORD
70-000-0
FORD
71-000-5
FORD
72-000-5
FORD
104-000-5
FORD
10800E
FORD
10800I
FORD
81-000-5
HOLDEN
82-000-5
HOLDEN
83-000-5
INTERNATIONAL
95-000-5
MITSUBISHI
79-000-5
NISSAN
80-000-5
NISSAN
84-000-5
NISSAN
88-000-5
NISSAN
42-000-5
OLDSMOBILE
103-000-5
OLDSMOBILE
53-000-5I
OLDSMOBILE
53-000-5E
OLDSMOBILE
290-401 V8 (1966-91)
199-258 L6 (1964-95)
2.5L
198-225 V6 Odd Fire (1962-67)
231 V6 Odd Fire (1975-77)
3.0L-4.1L V6 (1978-87)
215 Aluminum V8
364-401-425 V8
350 V8 (1968-80)
400, 430, 455 V8 (1967-76)
368-425-472-500 V8
396-454 V8 (1967-96)
396-454 V8 Reverse Rotation (Marine Applications)
262-400 V8 (1957-98)
262-400 V8 Reverse Rotation (Marine Applications)
Corvair (1964-69)
200-229 V6 (1978-84)
2.8L, 3.1L and 3.4L (1980-95)
4.3L V6 (1983-97)
348-409 V8 (1958-65)
235 L6 Blue Flame (1952-62)
195-250 L6 (1962-85)
292 L6 (1963-90)
Chevette 1400cc (1976-77)/1600cc (1976-87)
Vega L4 140ci (1971-77)
273-360 V8 (1968-99)
383-440 V8 Single-Bolt (1958-78)
2.2L, 2.5L L4 OHC (1981-93)
383-440 V8 Three-Bolt (1958-78)
426 Hemi V8 (1966-71)
392 Hemi V8
225 L6 (1960-85)
289-302 V8 (1962-99)
351C, 351M-400M V8 (1970-82)
352-428 V8 FE (1963-95)
429-460 V8 (1968-99)
302 HO (1985-95) 351W V8 (1969-95)
351W Reverse Rotation (Marine Applications)
2600, 2800 V6
272-292-312 V8 Y-Block (1955-62)
2800 V6 (1983-85)
Flathead V8 (1949-53)
3.8L (1984-87) Only
144-250 (1960-83)
240-300 L6 (1965-95)
2000, 2300 OHC L4 (1983-87)
1600 L4 OHC (1965-85)
2000 L4 OHC (1970-77) 3-Bearing Journal
V8 “FE” (1958-62)
2.0L Zetec Exhaust
2.0L Zetec Intake
6 Cylinder Flat Tappet 186”
252-308 V8 (1970-88)
304-392 V8 (1970-78)
2000, 26000 L4 RWD & FWD (1979-87)
1600,1800 L4 (1969-84)
6 Cylinder SOHC
2200-2800 (1970-84) Gun Drilled
NAP Z L4 (1981-89)
260-455 V8 (1967-84)
V8 45º Bank Angle (1964-68)
2.3 Quad 4 Intake
2.3 Quad 4 Exhaust
Different journal sizes available
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
5
CAM CORES
CAM CORES
103-000-5
OLDSMOBILE
V8 45° Bank Angle (1964-68)
14-000-5
PONTIAC
151 L4 (1977-78)
51-000-5
PONTIAC
265-455 V8 (1955-81)
52-000-5
PONTIAC
151 L4 Iron Duke (1978-89)
74-000-5
TOYOTA
2TC-3TC L4 OHV 1588-1700cc (1970-82)
87-000-5
TOYOTA
20R, 22R L4 (1975-89)
73-000-5
VOLKSWAGEN
1200, 1600 4 Cylinder
85-000-5
VOLKSWAGEN
1457, 1788 SOHC 4 Cylinder (1974-89)
SPECIAL FLAT TAPPET CAM CORES
12-000-7A
CHEVROLET
262-400 V8 Special Pro Core
12-000-9WA
CHEVROLET
262-400 V8 Welded Steel
03-000-9WA
CHEVROLET
Standard Chevrolet Block W/ SB2 Heads
04-000-9WA
CHEVROLET
SB2 Block W/ SB2 Heads
04-000-16A
CHEVROLET
SB2 Block/Heads - Steel
20-000-7A
CHRYSLER
“R” Block W/ 48º Lifter Bore
21-000-7
CHRYSLER
383-440 V8 Single-Bolt (1958-78)
55-000-9W
CHRYSLER
Dodge R5 Block W/ P7 Head
55-000-16
CHRYSLER
R5 Block/P7 Head - Steel
32-000-7
FORD
351C, 351M-400M V8 (1970-82)
35-000-7A
FORD
SVO V8
35-000-9W
FORD
SVO V8 - Welded Steel
35-000-16
FORD
SVO V8 - Steel
39-000-7
FORD
SVO V6 Odd Fire
41-000-7
FORD
Flathead V8
STREET ROLLER CAM CORES (HYDRAULIC OR SOLID ROLLER) (Special Material - Works With Most Standard Distributor Gears)
01-000-8
CHEVROLET
454-502 Generation VI Big Block
07-000-8
CHEVROLET
LT1 Engine
08-000-8
CHEVROLET
262-400 V8 W/ Roller Cam (1987-98)
09-000-8
CHEVROLET
4.3L V6 W/ Roller Cam (1987-98)
11-000-8
CHEVROLET
396-454 V8 (1967-96)
12-000-8
CHEVROLET
262-400 V8 (1957-98)
18-000-8
CHEVROLET
4.3L V6 (1985-99)
56-000-8
CHEVROLET
4.3L V6 (1992-99) W/ Balance Shaft
97-000-10
CHRYSLER
V10 Viper
98-000-10
CHRYSLER
V10 Truck
111-000-10
CHRYSLER
2003 & Up Viper Three-Bolt
112-000-11
CHRYSLER
5.7L & 6.1L Hemi V8
135-000-8E
CHRYSLER
Neon "Y" Engine Code Exhaust
135-000-8I
CHRYSLER
Neon "Y" Engine Code Intake
107-000-8
DODGE
Neon SOHC 2.0L (1995-01)
31-000-8
FORD
289-302 V8 (1962-99)
32-000-8
FORD
351C, 351M-400M V8 (1970-82)
35-000-8
FORD
302 HO (1985-95), 351W V8 (1969-99)
117-000-9
GM
6.5L Diesel
132-000-12
GM
Duramax 6.6L Diesel
119-000-8E
MITSUBISHI
4G63 Evolution VIII Exhaust (2003 & Up)
119-000-8I
MITSUBISHI
4G63 Evolution VIII Intake (2003 & Up)
RACE ROLLER CAM CORES - STEEL BILLET
10-000-9
AMC
390-401 V8 (1966-79)
93-000-9
BUICK
Stage II Even Fire
02-000-9
CHEVROLET
200-229 V6 Odd Fire W/ Splayed Valve Head
08-000-9
CHEVROLET
262-400 V8 (1987-98)
07-000-9
CHEVROLET
LT1 Engine (1992-98)
11-000-9A
CHEVROLET
396-454 V8 (1967-96)
01-000-9
CHEVROLET
454-502 Generation VI Big Block
12-000-9A
CHEVROLET
262-400 V8 (1957-98)
03-000-9A
CHEVROLET
04-000-10A
CHEVROLET
SB2 Block W/ SB2 Heads
14-000-9
CHEVROLET
153 L4 (1962-1972)
15-000-9
CHEVROLET
200-229 V6 Even Fire
17-000-9A
CHEVROLET
V6 Odd Fire Race
19-000-9A
CHEVROLET
262-400 V8 W/ Splayed Valve or Buick Head
28-000-9
CHEVROLET
Gaerte L4
29-000-9
CHEVROLET
Gaerte L4 W/ Splayed Valve Head
48-000-9
CHEVROLET
348-409 V8 (1958-65)
A
6
1
.
8
0
0
.
9
9
9
.
0
8
5
3
CAM CORES
A
3800/3.8L V6 (1996-Present)
LS1 Engine (1997-Present)
8.1L V8
273-360 V8 (1968-99)
383-440 V8 Three-Bolt (1958-78)
426 Hemi V8 (1966-71)
392 Hemi V8
9 Bearing Hemi Pro-Stock
289-302 V8 (1962-95)
351C, 351M-400M V8 (1970-82)
352-428 V8 FE (1963-76)
429-460 V8 (1968-99)
302 HO (1985-95), 351W V8 (1969-99)
SVO V6 Odd Fire
SVO V6 Even Fire
4.0 Liter V6 (1990-97)
4.6L SOHC Right Side Cam Set
4.6L SOHC Left Side Cam Set
4.6L & 5.4L DOHC Left Exhaust
4.6L & 5.4L DOHC Left Intake
4.6L & 5.4L DOHC Right Exhaust
4.6L & 5.4L DOHC Right Intake
4.6L 3 Valve Left
4.6L 3 Valve Right
R99/R03
Ecotec 2.2L DOHC Intake
Ecotec 2.2L DOHC Exhaust
DRCE3 Pro Stock
252-308 V8 (1970-88)
260-455 V8 (1965-90)
265-455 V8 (1955-81)
151 L4 Iron Duke
Intake Cam Set For 4G63
Exhaust Cam Set For 4G63
Sterling V12
CAM CORES
76-000-9
GM
54-000-11
GM
46-000-9
GM
20-000-9A
CHRYSLER
23-000-9
CHRYSLER
24-000-9A
CHRYSLER
26-000-9
CHRYSLER
115-000-10
CHRYSLER
31-000-9
FORD
32-000-9
FORD
33-000-9
FORD
34-000-9
FORD
35-000-9A
FORD
39-000-9
FORD
40-000-9
FORD
49-000-8
FORD
102-000-9R
FORD
102-000-9L
FORD
106-000-9LE
FORD
106-000-9LI
FORD
106-000-9RE
FORD
106-000-9RI
FORD
127-000-9L
FORD
127-000-9R
FORD
109-000-10
GM
113-000-9I
GM
113-000-9E
GM
116-000-12
GM
82-000-9
HOLDEN
42-000-9
OLDSMOBILE
51-000-9
PONTIAC
52-000-9
PONTIAC
101-000-8E
MITSUBISHI
101-000-8I
MITSUBISHI
120-000-12
STERLING
RACE ROLLER CAM CORES - STEEL BILLET (ROUND)
10-000-0
AMC
122-000-0
BMW
67-000-0
BUICK
92-000-0
BUICK
96-000-0
BUICK
61-000-0
CHEVROLET
03-000-0
CHEVROLET
07-000-0
CHEVROLET
11-000-0
CHEVROLET
12-000-0
CHEVROLET
54-000-0
CHEVROLET
14-000-0
CHEVROLET
15-000-0
CHEVROLET
129-000-0
CHEVROLET
20-000-0
CHRYSLER
21-000-0
CHRYSLER
24-000-0
CHRYSLER
26-000-0
CHRYSLER
134-000-0
CHRYSLER
72-000-0
FORD
66-000-0
FORD
31-000-0
FORD
05-000-0
FORD
32-000-0
FORD
34-000-0
FORD
30-000-0
HARLEY-DAVIDSON®
42-000-0
OLDSMOBILE
51-000-0
PONTIAC
52-000-0
PONTIAC
390-401 V8 (1966-79)
Mini Cooper
231 V6 Odd Fire (1975-77)
350 V8
400, 430, 455 V8 (1967-76)
194-230-250-292-L6 (1962-84)
LT1 Engine (1992-98)
396-454 V8 (1967-96)
262-400 V8 (1957-98)
LS1 Engine (1997-99)
153 L4 (1962-1972)
200-229 V6 Even Fire
3.4L V6 (2001 & Up)
273-360 V8 (1968-99)
383-440 V8 Single-Bolt (1958-78)
426 Hemi V8 (1966-71)
Chrysler Donovan Block
70MM Hemi Pro Stock
2000 L4 OHC (1970-77)
240-300 L6 (1965-UP)
289-302 V8 (1962-95) and SVO V8
SVO V8 W/ Mirror Image Heads
351C, 351M-400M V8 (1970-82)
429-460 V8 (1968-99)
80” Evolution
260-455 V8 (1965-90)
265-455 V8 (1955-81)
151 L4 Iron Duke
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
7
HYDRAULIC FLAT TAPPET
HIGH ENERGY™ HYDRAULICS
These lobes are to be used in applications where torque, mileage and vacuum are primary considerations. High
Energy™ Hydraulics can be used as intake or exhaust lobes. They are simple street performance stock improvement lobes. This group must use a minimum tappet diameter of .842” (Chevrolet) or larger.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
THEORETICAL VALVE LIFT
TDC
@ “0” LASH ROCKER ARM RATIO
5224
5225
5223
5226
5206
5200
5211
240-4
244-1
244-2
248-2
252-5
252-4
260-7
@ .050” @ .200”
192
96
196
97
196
101
200
102
206
109
206
113
212
119
.260
.256
.266
.260
.270
.283
.293
106°
.024
.028
.028
.034
.041
.041
.049
110°
.017
.020
.020
.025
.031
.031
.038
1.5
.390
.385
.400
.390
.406
.425
.440
1.6
.416
.411
.427
.416
.433
.454
.469
1.7
.442
.436
.453
.442
.460
.482
.499
5205
5207
5212
5232
5222
5215
260-8
260-9
268-4
268-5
268-6
268-9
.279
.296
.309
.285
.302
.296
.049
.050
.064
.059
.060
.059
.038
.039
.052
.047
.048
.047
.419
.444
.464
.428
.454
.444
.447
.474
.494
.456
.484
.474
.475
.503
.525
.485
.514
.503
CAMSHAFT TYPE
High Energy™
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
212
212
222
218
218
218
117
122
130
124
128
128
MAGNUM HYDRAULICS
Magnum Hydraulics are to be used in high performance applications with a minimum tappet diameter of .842”
(Chevrolet) or larger. These lobes are more aggressive in their design characteristics and can be used as intake or
exhaust lobes.They are a bigger brother to the High Energy™ family and are frequently used by the budget minded
Saturday night racer. They also provide a very "throaty" sound.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
106°
110°
1.5
1.6
1.7
5201
5202
5239
5213
5216
5203
5240
5241
5208
5229
5214
270-4
270-5
276-3
276-4
280-3
280-4
280-9
284-3
286-3
288-9
292-2
224
224
228
226
230
230
232
236
236
237
244
135
132
140
136
137
140
142
146
148
148
153
.313
.300
.316
.309
.306
.320
.322
.316
.327
.322
.334
.069
.068
.077
.072
.077
.079
.080
.091
.089
.090
.101
.057
.056
.064
.060
.064
.066
.067
.078
.075
.076
.087
.470
.450
.474
.464
.459
.480
.483
.474
.491
.483
.501
.501
.480
.506
.494
.490
.512
.515
.506
.523
.515
.534
.532
.510
.537
.525
.521
.544
.547
.537
.556
.547
.568
5204
5209
5210
5217
292-3
296-3
305-3
305-4
244
246
253
253
151
158
163
162
.323
.340
.350
.338
.101
.106
.118
.118
.087
.092
.104
.104
.485
.510
.525
.507
.518
.544
.560
.541
.550
.578
.595
.575
CAMSHAFT TYPE
@ .050” @ .200”
Magnum
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
8
1
.
8
0
0
.
9
9
9
.
0
8
5
3
HYDRAULCI FLAT TAPPET
DUAL ENERGY™ HYDRAULICS
Designed for the Dual Energy Cam™ Series, these lobes are good for everyday driving where a broad torque curve is
necessary. Very easy on related components. Designed as intake and exhaust lobes but could be used either way.
Minimum tappet diameter of .842” is necessary. These lobes produce good power for a daily driver or a weekend
toy used as an occasional bracket race car.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
5110A
5146
5310
5128
5312
5128
5166
255
255
254
265
265
273
265
@ .050” @ .200”
203
110
203
110
204
109
211
117
211
112
211
117
211
117
.281
.281
.271
.295
.280
.295
.295
106°
.036
.036
.037
.049
.049
.049
.049
110°
.028
.028
.027
.039
.039
.039
.039
1.5
.422
.422
.407
.443
.420
.443
.443
1.6
.450
.450
.434
.472
.448
.472
.472
1.7
.478
.478
.461
.502
.476
.502
.502
5120A
5311
5000
5126A
5326
5163
5130
5127
5315
5006
5129
5136A
5327
5002
5135
261
261
263
275
275
275
275
269
272
275
276
277
283
283
284
.301
.286
.292
.308
.298
.308
.308
.310
.298
.304
.308
.321
.313
.320
.321
.049
.046
.052
.057
.057
.057
.057
.062
.062
.057
.074
.074
.074
.074
.082
.039
.039
.042
.047
.048
.047
.047
.051
.051
.050
.062
.062
.062
.070
.070
.452
.429
.438
.462
.447
.462
.462
.465
.447
.456
.462
.482
.470
.480
.482
.482
.458
.467
.493
.477
.493
.493
.496
.477
.486
.493
.514
.501
.512
.514
.512
.486
.496
.524
.507
.524
.524
.527
.507
.517
.524
.546
.532
.544
.546
CAMSHAFT TYPE
Dual Energy™
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
212
213
216
219
219
219
219
221
221
223
227
229
229
233
235
121
120
123
125
123
125
125
129
124
128
134
137
136
146
139
NOSTALGIA PLUS™ HYDRAULICS
Designed to mimic the sound of the great engines of the past while improving performance by applying today's design
techniques, these profiles are used in our Nostalgia Plus™ Series to capture the essence of the factory muscle cars
of the 60's and 70's. These profiles are slightly slower off the seat than the Xtreme Energy™ profiles but have
excellent area under the curve for outstanding power.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
5066
5067
5068
5069
5070
5071
258
265
276
283
286
293
@ .050” @ .200”
211
120
218
124
229
140
236
147
239
151
246
157
.284
.280
.312
.308
.322
.318
106°
.048
.057
.078
.088
.095
.105
A
S
CAMSHAFT TYPE
Nostalgia Plus
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
™
W
W
W
.
C
O
M
P
C
M
.
110°
.036
.045
.064
.074
.081
.091
C
O
1.5
.426
.420
.468
.462
.483
.477
M
1.6
.454
.448
.499
.493
.515
.509
1.7
.483
.476
.530
.524
.547
.541
9
XTREME ENERGY™ HYDRAULICS
Designed to maximize torque, acceleration and throttle response while providing excellent high rpm horsepower. A
faster intake valve opening increases engine vacuum and enhances throttle response. Special intake closing ramps
close the valve sooner, providing more cylinder pressure and torque without resulting in excessive valve train noise.
Faster ramps achieve maximum velocity sooner, increasing the area under the lift curve and providing maximum
horsepower. Smoother exhaust designs allow for a more effective purge of spent gasses from the combustion
chamber to further increase horsepower.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
Intake Lobes
Xtreme Energy™
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
5437
5440
5430
5441
240
250
250
256
@ .050”
196
206
206
212
5431
5442
5432
5443
5433
5444
5414
5445
5435
5446
5447
5418
5448
5438
5449
5439
5419
256
262
262
268
268
270
270
274
274
278
284
288
290
294
294
298
298
212
218
218
224
224
226
226
230
230
234
240
244
246
250
250
254
254
Exhaust Lobes
Xtreme Energy™
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
5207
5205
5230
5232
5212
5201
5202
5203
5216
5208
5238
5214
5209
5210
5238
5231
5234
5233
260
260
268
268
268
270
270
280
280
286
286
292
296
305
286
308
316
316
212
212
218
218
222
224
224
230
230
236
236
244
246
253
236
256
264
264
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
106
117
114
124
.275
.288
.277
.298
106°
.026
.041
.041
.050
110°
.018
.030
.030
.038
1.5
.413
.432
.416
.447
1.6
.440
.461
.443
.477
1.7
.468
.490
.471
.507
120
130
128
137
134
139
136
143
140
147
153
157
159
163
163
167
166
.283
.308
.297
.318
.303
.321
.303
.325
.303
.332
.338
.335
.344
.360
.346
.360
.338
.050
.060
.060
.070
.070
.073
.073
.080
.080
.087
.097
.104
.108
.115
.115
.122
.122
.038
.047
.047
.056
.056
.060
.060
.066
.066
.073
.084
.091
.094
.101
.101
.108
.108
.425
.462
.446
.477
.455
.482
.455
.488
.455
.498
.507
.503
.516
.540
.519
.540
.507
.453
.493
.475
.509
.485
.514
.485
.520
.485
.531
.541
.536
.550
.576
.554
.576
.541
.481
.524
.505
.541
.515
.546
.515
.553
.515
.564
.575
.570
.585
.612
.588
.612
.575
.296
.280
.303
.285
.309
.313
.300
.320
.306
.327
.306
.334
.340
.350
.306
.350
.285
.353
.050
.050
.059
.059
.064
.067
.068
.078
.078
.085
.086
.100
.101
.111
.086
.120
.132
.133
.040
.040
.048
.047
.052
.056
.056
.065
.066
.072
.073
.087
.088
.098
.073
.106
.118
.120
.444
.420
.455
.428
.464
.470
.450
.480
.459
.491
.459
.501
.510
.525
.459
.525
.428
.530
.474
.448
.485
.456
.494
.501
.480
.512
.490
.523
.490
.534
.544
.560
.490
.560
.456
.565
.503
.476
.515
.485
.525
.532
.510
.544
.520
.556
.520
.568
.578
.595
.520
.595
.485
.600
CAMSHAFT TYPE
10
1
.
8
0
0
121
117
128
124
130
133
132
140
138
144
143
154
154
160
143
165
170
173
.
9
9
9
.
0
8
5
3
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @ THEORETICAL VALVE LIFT
TDC
Intake Lobes
XFI™
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
5082
5083
5084
252
256
260
@ .050” @ .200”
208
121
212
125
216
129
.298
.305
.312
106°
.044
.050
.056
110°
.032
.038
.044
1.5
.447
.458
.468
1.6
.477
.488
.499
1.7
.507
.519
.530
5085
5086
5087
5088
5089
5090
262
268
274
280
286
292
218
224
230
236
242
248
131
138
143
150
156
162
.315
.325
.336
.345
.355
.365
.060
.070
.081
.091
.102
.112
.047
.057
.067
.077
.088
.098
.473
.488
.504
.518
.533
.548
.504
.520
.538
.552
.568
.584
.536
.553
.571
.587
.604
.621
Exhaust Lobes
XFI™
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
5101
5103
5105
5107
5109
266
272
280
290
302
217
223
231
241
253
127
134
143
154
166
.295
.308
.322
.342
.362
.059
.068
.082
.099
.120
.047
.056
.068
.085
.106
.443
.462
.483
.513
.543
.472
.493
.515
.547
.579
.502
.524
.547
.581
.615
XFI™ HYDRAULICS
The XFI™ Series is designed for use with modern induction systems, heads, springs and rockers. The XFI™ intake
lobes have more lift than the baseline Xtreme series, and the exhaust lobes have more area under the curve, for
better exhaust flow, than the base exhaust series. These are the first hydraulic flat tappet profiles designed for use
with COMP Cams® Beehive™ Ovate Valve Springs, such as the #26915, #26918 and #26120. The combination
of these profiles, the new springs and our very stiff Pro Magnum Rocker Arms™ in higher ratios, makes for the
most revolutionary improvement in hydraulic flat tappet design to date by bringing the latest race winning technology to the street.
CAMSHAFT TYPE
RACE HYDRAULICS
These are the largest hydraulic designs that COMP Cams® offers. With a minimum tappet diameter of .842” or larger needed, these designs are intended for all out racing only. The larger lobes (268˚ - 270˚ - 276˚ @ .050” duration) were designed with large cubic inch motors in mind in a high rpm environment. These lobes have smooth
ramps, making it easier for the spring to control the valve.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
5195
5221
5196
5197
5198
5199
312-5
312-6
320-5
320-9
320-10
328-8
@ .050” @ .200”
260
169
260
171
268
178
268
175
270
180
276
185
.360
.353
.360
.353
.367
.367
106°
.128
.131
.143
.141
.147
.156
A
S
CAMSHAFT TYPE
Race
Rated Duration @
.006” Tappet Lift
.842" Min. Dia.
W
W
W
.
C
O
M
P
C
M
.
110°
.114
.117
.129
.128
.133
.142
C
O
1.5
.540
.530
.540
.530
.551
.551
M
1.6
.576
.565
.576
.565
.588
.588
1.7
.612
.600
.612
.600
.625
.625
11
PURPLE PLUS HYDRAULICS (.904" MIN. TAPPET)
These use the same ramps as our Nostalgia Plus™ lobes but have more velocity for use with Chrysler/Mopar .904"
minimum tappet diameters.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6882
6883
6884
6885
6886
6887
280
287
284
291
292
299
@ .050” @ .200”
233
148
240
153
239
154
246
159
247
163
254
169
.316
.316
.323
.323
.339
.339
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Purple Plus
Rated Duration @
.006” Tappet Lift
.904" Min. Dia.
106°
.086
.096
.097
.107
.111
.123
110°
.071
.082
.082
.092
.097
.108
1.5
.474
.474
.485
.485
.509
.509
1.6
.506
.506
.517
.517
.542
.542
1.7
.537
.537
.549
.549
.576
.576
XTREME MOPAR HYDRAULICS (.904" MIN. TAPPET)
Xtreme Energy™ designs optimized for use with .904" minimum tappet diameters. The additional velocity allowed
with the Chrysler/Mopar .904" tappet results in more area and more lift than any of our other comparable hydraulic
designs. These are the best large tappet hydraulics ever.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
Intake Lobes
Xtreme Mopar
Rated Duration @
.006” Tappet Lift
.904" Min. Dia.
5964
5965
5960
5961
5966
275
285
289
295
295
@ .050” @ .200”
231
149
241
159
245
163
251
169
251
169
.350
.363
.356
.356
.376
106°
.083
.101
.109
.120
.120
110°
.069
.087
.094
.105
.105
1.5
.525
.545
.534
.534
.564
1.6
.560
.581
.570
.570
.602
1.7
.595
.617
.605
.605
.639
Exhaust Lobes
Xtreme Mopar
Rated Duration @
.006” Tappet Lift
.904" Min. Dia.
5984
5985
5980
5981
5986
287
297
301
307
307
.350
.363
.360
.360
.376
.090
.107
.115
.126
.126
.076
.093
.101
.111
.111
.525
.545
.540
.540
.564
.560
.581
.576
.576
.602
.595
.617
.612
.612
.639
CAMSHAFT TYPE
12
1
.
237
247
251
257
257
8
0
0
151
161
166
171
171
.
9
9
9
.
0
8
5
3
HYDRAULIC ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
3100
3101
3102
3103
3104
3105
230
240
242
246
254
256
@ .050” @ .200”
178
93
188
103
191
97
192
110
199
116
200
118
.270
.285
.260
.300
.300
.310
106°
.014
.022
.024
.024
.032
.035
110°
.009
.015
.017
.017
.024
.026
1.5
.405
.428
.390
.450
.450
.465
1.6
.432
.456
.416
.480
.480
.496
1.7
.459
.485
.442
.510
.510
.527
3106
3160
3050
3168
262
266
264
273
206
210
210
215
116
116
127
119
.300
.285
.320
.285
.041
.047
.047
.052
.032
.037
.037
.041
.450
.428
.480
.428
.480
.456
.512
.456
.510
.485
.544
.485
Low Lift
Magnum
Rated Duration @
.006” Tappet Lift
3161
3051
3162
3052
3163
3053
3164
276
274
292
284
302
296
312
220
220
230
230
240
240
250
123
134
128
142
135
148
142
.285
.320
.285
.320
.285
.320
.285
.060
.061
.075
.077
.090
.091
.104
.049
.050
.064
.064
.078
.078
.092
.428
.480
.428
.480
.428
.480
.428
.456
.512
.456
.512
.456
.512
.456
.485
.544
.485
.544
.485
.544
.485
High Lift
High Energy™
Rated Duration @
.006” Tappet Lift
3118
3107
3108
260
266
270
206
210
215
126
130
133
.333
.333
.333
.041
.047
.055
.032
.037
.044
.500
.500
.500
.533
.533
.533
.566
.566
.566
High Lift
Magnum
Rated Duration @
.006” Tappet Lift
3114
3109
3110
3119
3112
3111
3122
3113
3150
3120
3115
3170
3151
3116
3171
3152
3117
281
276
284
280
290
286
290
304
307
304
304
315
318
314
325
329
324
220
220
224
224
230
230
236
242
244
244
244
248
252
252
258
262
262
134
138
136
144
143
152
160
158
158
161
164
161
164
169
169
172
177
.320
.340
.333
.350
.340
.373
.380
.367
.360
.383
.400
.360
.360
.400
.360
.360
.420
.060
.060
.066
.066
.075
.078
.091
.101
.100
.101
.104
.105
.111
.115
.122
.127
.130
.048
.049
.054
.054
.063
.065
.076
.087
.087
.087
.090
.091
.097
.100
.108
.113
.115
.480
.510
.500
.525
.510
.560
.570
.551
.540
.575
.600
.540
.540
.600
.540
.540
.630
.512
.544
.533
.560
.544
.598
.608
.587
.576
.613
.640
.576
.576
.640
.576
.576
.672
.544
.578
.566
.595
.578
.635
.646
.624
.612
.651
.680
.612
.612
.680
.612
.612
.714
HYDRAULIC ROLLER
HIGH ENERGY™ & MAGNUM HYDRAULIC ROLLERS - LOW & HIGH LIFT
The low lift profiles were designed for street and marine use. The low lift adds dependability and reliability for extended use applications. The high lift versions of the hydraulic rollers are designed for all out applications where high lift
is desired because of cylinder head or engine modifications. They function well for street and strip. These lobes run
well in big cubic inch marine engines.
CAMSHAFT TYPE
Low Lift
High Energy™
Rated Duration @
.006” Tappet Lift
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
13
HYDRAULIC ROLLER
HYDRAULIC ROLLER
XTREME ENERGY™ HYDRAULIC ROLLERS
These designs share all of the characteristics of the flat tappet lobes, but we have added the new technology of CRC
(Constant Radius of Curvature) inverted radius of curvature ramp designs. COMP Cams® has enhanced this technique to ensure durability with these most aggressive hydraulic roller designs. The high lift versions that have lobe
numbers in the 3100's are more aggressive over the nose and will require more spring or less rpm. These
lobes run well in street, strip and marine applications. With more agressive and faster ramps, they also provide
good vacuum.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
Xtreme Energy™
Rated Duration @
.006” Tappet Lift
Small Block Journal
3322
3323
3304
3310
3305
3302
3311
3188
3300
3312
3301
3190
3313
3314
3192
3315
3194
3316
3196
3317
3318
3319
244
249
252
252
256
258
258
258
262
264
266
266
270
276
276
282
282
288
288
294
300
306
@ .050” @ .200”
192
89
198
104
200
113
200
122
204
116
206
124
206
128
206
132
210
126
212
133
214
129
214
141
218
139
224
145
224
152
230
151
230
157
236
157
236
162
242
164
248
171
254
178
.245
.265
.285
.315
.285
.305
.320
.336
.305
.325
.305
.353
.330
.335
.378
.340
.389
.347
.390
.360
.375
.387
106°
.026
.032
.034
.034
.039
.041
.041
.042
.046
.049
.052
.053
.058
.068
.069
.078
.078
.089
.090
.101
.114
.127
110°
.018
.024
.026
.026
.030
.032
.032
.032
.036
.039
.041
.042
.046
.055
.056
.064
.064
.075
.075
.086
.097
.110
1.5
.368
.398
.428
.473
.428
.458
.480
.504
.458
.488
.458
.530
.495
.503
.567
.510
.584
.521
.585
.540
.563
.581
1.6
.392
.424
.456
.504
.456
.488
.512
.538
.488
.520
.488
.565
.528
.536
.605
.544
.622
.555
.624
.576
.600
.619
1.7
.417
.451
.485
.536
.485
.519
.544
.571
.519
.553
.519
.600
.561
.570
.643
.578
.661
.590
.663
.612
.638
.658
Xtreme Energy™
Rated Duration @
.006” Tappet Lift
Big Block Journal
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3414
3415
252
258
264
270
276
282
288
294
300
306
310
312
200
206
212
218
224
230
236
242
248
254
258
260
118
123
127
131
136
141
147
155
162
170
173
174
.300
.300
.300
.300
.300
.300
.306
.318
.329
.341
.341
.341
.034
.042
.050
.058
.068
.078
.089
.100
.111
.123
.130
.133
.026
.032
.039
.047
.055
.065
.075
.085
.096
.108
.115
.118
.450
.450
.450
.450
.450
.450
.459
.477
.494
.512
.512
.512
.480
.480
.480
.480
.480
.480
.490
.509
.526
.546
.546
.546
.510
.510
.510
.510
.510
.510
.520
.541
.559
.580
.580
.580
Xtreme Energy™
Rated Duration @
.006” Tappet Lift
Ford Journal
3628
3610
3630
3611
3612
3632
3633
256
264
266
270
276
274
278
208
212
216
218
224
224
228
133
131
140
136
140
148
152
.333
.320
.340
.320
.320
.347
.352
.044
.050
.056
.058
.068
.069
.076
.033
.039
.044
.047
.055
.056
.062
.500
.480
.510
.480
.480
.521
.528
.533
.512
.544
.512
.512
.555
.563
.566
.544
.578
.544
.544
.590
.598
CAMSHAFT TYPE
CONTINUED ON NEXT PAGE:
14
1
.
8
0
0
.
9
9
9
.
0
8
5
3
HYDRAULIC ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
3613
3634
3635
3636
3637
3638
288
282
286
290
294
298
@ .050” @ .200”
230
144
232
155
236
159
240
162
244
166
248
169
.320
.353
.356
.359
.362
.365
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Xtreme Energy
Rated Duration @
.006” Tappet Lift
Ford Journal
™
106°
.078
.084
.092
.099
.107
.115
110°
.065
.069
.076
.084
.091
.099
1.5
.480
.530
.534
.539
.543
.548
1.6
.512
.565
.570
.574
.579
.584
1.7
.544
.600
.605
.610
.615
.621
HYDRAULIC ROLLER
CONTINUED FROM PAGE 14:
XTREME 4X4™ HYDRAULIC ROLLERS
Due to the allowances of lower engine speed, these designs are slightly faster than the original Xtreme Energy™
Hydraulic Rollers. Great low and mid-range torque. They are our most aggressive hydraulic roller lobes and run
well in street, off-road and four-wheeling.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
3324
3326
3303
3306
3307
3308
3309
259
263
265
269
273
279
283
@ .050” @ .200”
210
131
214
134
216
136
220
138
224
141
230
145
234
148
.316
.316
.316
.316
.316
.316
.316
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Xtreme 4X4
Rated Duration @
.006” Tappet Lift
Small Block Journal
™
106°
.047
.052
.056
.062
.069
.079
.087
110°
.036
.041
.044
.049
.056
.065
.072
1.5
.474
.474
.474
.474
.474
.474
.474
1.6
.506
.506
.506
.506
.506
.506
.506
1.7
.537
.537
.537
.537
.537
.537
.537
XFI™ HYDRAULIC ROLLERS
The XFI™ Series is designed for use with modern induction systems, heads, springs and rockers. The XFI™ intake
lobes have more lift than the baseline series, and the exhaust lobes have more area under the curve, for better
exhaust flow, than the base exhaust series. These are the first hydraulic flat tappet profiles designed for use with
COMP Cams® Beehive™ Ovate Valve Springs such as the #26915, #26918 and #26120. The combination of these
profiles, the new springs, and our very stiff Pro Magnum Rocker Arms™ in higher ratios, makes for the most
revolutionary improvement in hydraulic roller design to date by bringing the latest race winning technology to
the street.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
3010
3011
3012
3013
3014
3015
3016
3017
3018
252
256
260
264
268
274
280
286
292
@ .050” @ .200”
202
128
206
132
210
136
214
139
218
143
224
149
230
154
236
159
242
165
.344
.347
.350
.353
.356
.358
.360
.362
.365
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Intake Lobes
XFI™
Rated Duration @
.006” Tappet Lift
106°
.036
.041
.047
.052
.058
.068
.079
.090
.102
110°
.027
.032
.036
.041
.047
.055
.065
.075
.087
1.5
.516
.521
.525
.530
.534
.537
.540
.543
.548
1.6
.550
.555
.560
.565
.570
.573
.576
.579
.584
1.7
.585
.590
.595
.600
.605
.609
.612
.615
.621
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
15
HYDRAULIC ROLLER
HYDRAULIC ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
3033
3034
3035
3036
3037
3038
3039
264
270
276
282
288
294
300
@ .050” @ .200”
212
135
218
141
224
147
230
152
236
158
242
163
248
169
.341
.347
.353
.355
.357
.360
.362
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Exhaust Lobes
XFI™
Rated Duration @
.006” Tappet Lift
106°
.050
.059
.069
.080
.091
.102
.114
110°
.040
.048
.056
.066
.076
.087
.098
1.5
.512
.521
.530
.533
.536
.540
.543
1.6
.546
.555
.565
.568
.571
.576
.579
1.7
.580
.590
.600
.604
.607
.612
.615
XTREME MARINE™ HYDRAULIC ROLLERS
These profiles use the same design techniques of the baseline Xtreme Energy™ Hydraulic Rollers but have been optimized to increase power and durability when run at steady rpm for extended periods of time. Specifically designed
for big blocks with heavier valve train components.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
3354
3355
3356
3357
3358
3359
3362
3363
3364
286
292
298
304
310
316
322
328
334
@ .050” @ .200”
230
142
236
146
242
153
248
159
254
163
260
169
266
174
272
179
278
185
.322
.322
.333
.333
.338
.338
.342
.347
.353
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Xtreme Marine
Rated Duration @
.006” Tappet Lift
Big Block Journal
™
106°
.074
.085
.095
.106
.116
.126
.136
.146
.155
110°
.062
.071
.081
.092
.101
.112
.122
.132
.142
1.5
.483
.483
.500
.500
.507
.507
.513
.521
.530
1.6
.515
.515
.533
.533
.541
.541
.547
.555
.565
1.7
.547
.547
.566
.566
.575
.575
.581
.590
.600
XTREME MARINE™ HYDRAULIC ROLLERS - HIGH LIFT
These have the same ramp designs as the lower lift Xtreme Marine™ designs but have higher lift to enhance power
output with cylinder head and engine modifications.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
3473
3474
3410
3475
3376
3411
3370
3377
3371
3372
3373
3374
3375
3447
290
292
294
294
296
300
304
306
308
314
318
322
326
330
@ .050” @ .200”
234
152
236
154
238
154
238
156
240
157
244
159
248
167
250
166
254
171
258
175
262
179
266
182
270
186
274
190
.360
.360
.350
.360
.360
.350
.380
.360
.380
.380
.380
.380
.380
.380
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Xtreme Marine™
High Lift
Rated Duration @
.006” Tappet Lift
Big Block Journal
16
1
.
8
0
0
.
9
9
9
106°
.081
.085
.088
.088
.092
.099
.107
.111
.119
.126
.134
.142
.149
.157
.
0
8
110°
.068
.071
.075
.075
.078
.085
.092
.096
.103
.111
.118
.126
.134
.141
5
1.5
.540
.540
.525
.540
.540
.525
.570
.540
.570
.570
.570
.570
.570
.570
3
1.6
.576
.576
.560
.576
.576
.560
.608
.576
.608
.608
.608
.608
.608
.608
1.7
.612
.612
.595
.612
.612
.595
.646
.612
.646
.646
.646
.646
.646
.646
HYDRAULIC ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
Xtreme RPM
for LS1
Rated Duration @
.006” Tappet Lift
LS1 55mm Journal
3750
3751
3766
3752
3767
3753
3755
3756
3757
3659
260
266
270
272
274
278
282
286
290
309
@ .050” @ .200”
206
121
212
126
216
130
218
132
220
134
224
137
228
141
232
144
236
147
256
166
.302
.306
.308
.310
.312
.314
.317
.318
.320
.325
106°
.043
.051
.056
.059
.062
.069
.075
.082
.088
.123
110°
.034
.040
.045
.048
.051
.056
.062
.069
.075
.109
1.5
.453
.459
.462
.465
.468
.471
.476
.477
.480
.488
1.6
.483
.490
.493
.496
.499
.502
.507
.509
.512
.520
1.7
.513
.520
.524
.527
.530
.534
.539
.541
.544
.553
Xtreme RPM
for LS1 High Lift
Rated Duration @
.006” Tappet Lift
LS1 55mm Journal
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3706
261
263
265
267
269
271
273
275
277
279
281
283
285
287
208
210
212
214
216
218
220
222
224
226
228
230
232
234
128
129
131
133
135
136
138
140
142
143
145
147
148
150
.326
.327
.328
.329
.330
.331
.332
.333
.334
.335
.336
.337
.338
.339
.045
.048
.051
.054
.056
.059
.062
.066
.069
.072
.075
.079
.082
.086
.036
.039
.041
.043
.045
.048
.051
.054
.056
.059
.062
.066
.069
.072
.489
.491
.492
.494
.495
.497
.498
.500
.501
.503
.504
.506
.507
.509
.522
.523
.525
.526
.528
.530
.531
.533
.534
.536
.538
.539
.541
.542
.554
.556
.558
.559
.561
.563
.564
.566
.568
.570
.571
.573
.575
.576
3705
3652
3653
3654
3655
3656
3657
3658
289
291
293
295
297
299
301
303
236
238
240
242
244
246
248
250
152
154
156
158
160
162
164
166
.340
.344
.346
.348
.350
.350
.350
.350
.089
.093
.096
.100
.103
.107
.111
.114
.075
.079
.082
.085
.089
.092
.097
.100
.510
.516
.519
.522
.525
.525
.525
.525
.544
.550
.554
.557
.560
.560
.560
.560
.578
.585
.588
.592
.595
.595
.595
.595
3660
3661
305
307
252
254
168
169
.350
.350
.118
.122
.103
.107
.525
.525
.560
.560
.595
.595
HYDRAULIC ROLLER
XTREME RPM FOR LS1
Designed with Xtreme Energy™ Technology to provide excellent power with the LS1’s enhanced cylinder head design
and high rpm performance. These provide outstanding low rpm torque with increased stability when coupled with
the LS1’s larger base circle and 1.7:1+ rocker ratios. High lift versions are excellent for use with improved heads,
manifolds and the new COMP #26915 and #26918 Beehive™ Valve Springs.
CAMSHAFT TYPE
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
17
HYDRAULIC ROLLER
HYDRAULIC ROLLER
XTREME ENERGY™ XE-R FOR LS1
The XE-R designs are our most aggressive hydraulic roller ramps to date. They are quicker off and on the seat
than the original Xtreme Energy™ series, yet they are still stable with rigid valve train and optimized spring selection.
These profiles provide even more area than the comparable Small Block Chevrolet designs that are often used by
other companies to "grow" a more aggressive lobe for LS1 applications.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
3720
3721
3722
3723
3724
3725
3726
269
271
273
275
277
279
281
@ .050” @ .200”
220
143
222
144
224
146
226
147
228
149
230
151
232
153
.342
.342
.342
.344
.346
.348
.350
106°
.062
.065
.069
.073
.076
.080
.083
110°
.049
.052
.055
.059
.062
.065
.069
1.5
.513
.513
.513
.516
.519
.522
.525
1.6
.547
.547
.547
.550
.554
.557
.560
1.7
.581
.581
.581
.585
.588
.592
.595
3727
3728
3729
3730
3731
3732
3733
3734
283
285
287
289
291
293
295
297
.352
.354
.356
.358
.359
.360
.361
.362
.087
.091
.095
.099
.102
.106
.110
.114
.072
.076
.079
.083
.087
.091
.095
.098
.528
.531
.534
.537
.539
.540
.542
.543
.563
.566
.570
.573
.574
.576
.578
.579
.598
.602
.605
.609
.610
.612
.614
.615
CAMSHAFT TYPE
Xtreme Energy™
XE-R for LS1
Rated Duration @
.006” Tappet Lift
LS1 55mm Journal
234
236
238
240
242
244
246
248
155
157
159
161
163
165
167
169
CHEATER HR LIFT RULE COMPETITION HYDRAULIC ROLLERS
The Cheater HR Lift Rule profiles can be run with either hydraulic roller lifters or with solid roller lifters and tight
(0.010" to 0.016") lash settings. These are very popular in Mustang lift rule class racing. These lobes are very
aggressive and are "race only" designed lobes.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
3390
3391
3392
3393
3394
3395
3396
3397
3335
3336
3338
3337
3339
3284
3282
3285
3283
3299
3297
3298
3295
3296
3404
3400
3398
289
291
293
295
297
299
301
303
321
307
311
319
329
307
311
319
323
289
297
305
297
301
285
289
293
@ .050” @ .200”
236
148
238
150
240
152
242
154
244
156
246
158
248
160
250
162
268
180
254
166
258
170
266
178
270
182
254
167
258
171
266
179
270
183
236
150
244
158
252
166
244
159
248
163
232
147
236
151
240
155
.312
.312
.312
.312
.312
.312
.312
.312
.312
.316
.316
.316
.316
.323
.323
.323
.323
.329
.329
.329
.334
.334
.341
.341
.341
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Cheater HR Lift Rule
Rated Duration @
.006” Tappet Lift
Race Only!
18
1
.
8
0
0
.
9
9
9
106°
.085
.088
.091
.095
.098
.102
.105
.109
.142
.116
.123
.138
.146
.116
.124
.139
.146
.085
.098
.113
.099
.106
.078
.085
.091
.
0
8
110°
.072
.075
.078
.081
.085
.088
.091
.095
.127
.102
.109
.123
.139
.102
.109
.124
.131
.072
.085
.098
.085
.092
.065
.072
.078
5
3
1.5
.468
.468
.468
.468
.468
.468
.468
.468
.468
.474
.474
.474
.474
.485
.485
.485
.485
.494
.494
.494
.501
.501
.512
.512
.512
1.6
.499
.499
.499
.499
.499
.499
.499
.499
.499
.506
.506
.506
.506
.517
.517
.517
.517
.526
.526
.526
.534
.534
.546
.546
.546
1.7
.530
.530
.530
.530
.530
.530
.530
.530
.530
.537
.537
.537
.537
.549
.549
.549
.549
.559
.559
.559
.568
.568
.580
.580
.580
HYDRAULIC ROLLER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
3384
3399
3385
3386
3387
3388
3389
3405
3288
3286
3289
3287
297
301
305
309
313
317
321
325
307
311
319
323
@ .050” @ .200”
244
159
248
163
252
167
256
171
260
175
264
179
268
183
272
187
254
171
258
175
266
183
270
187
.341
.341
.341
.341
.341
.341
.341
.341
.365
.365
.365
.365
106°
.098
.106
.113
.120
.128
.136
.143
.151
.118
.125
.141
.149
CAMSHAFT TYPE
Cheater HR Lift Rule
Rated Duration @
.006” Tappet Lift
Race Only!
110°
.085
.091
.098
.106
.113
.120
.128
.136
.103
.110
.125
.133
1.5
.512
.512
.512
.512
.512
.512
.512
.512
.548
.548
.548
.548
1.6
.546
.546
.546
.546
.546
.546
.546
.546
.584
.584
.584
.584
1.7
.580
.580
.580
.580
.580
.580
.580
.580
.621
.621
.621
.621
HYDRAULIC ROLLER
LOBE
NUMBER
MUSTANG R LIFT RULE COMPETITION HYDRAULIC ROLLERS
These are very similar to the Cheater HR series but more aggressive off the seat and provide more area.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
3329
3330
3331
3332
3333
3334
273
279
285
291
297
303
@ .050” @ .200”
224
140
230
145
236
149
242
153
248
158
254
162
.312
.312
.312
.312
.312
.312
106°
.069
.079
.090
.101
.111
.121
CAMSHAFT TYPE
Mustang Lift Rule
Rated Duration @
.006” Tappet Lift
Race Only!
110°
.056
.065
.076
.086
.097
.107
1.5
.468
.468
.468
.468
.468
.468
1.6
.499
.499
.499
.499
.499
.499
1.7
.530
.530
.530
.530
.530
.530
XTREME HARLEY HYDRAULIC ROLLERS
Designed to maximize torque, acceleration, and throttle response for V-twins while providing excellent high rpm
horsepower. A faster valve opening increases engine vacuum and enhances throttle response, providing improved
roll-on power. Special closing ramps close the valve sooner, providing more cylinder pressure and torque without
resulting in excessive valve train noise. The faster Xtreme Energy™ ramps achieve maximum velocity sooner, increasing the area under the lift curve and providing maximum airflow and horsepower.
LOBE
NUMBER
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Xtreme Harley
Rated Duration @
.053” Tappet Lift
@ .050”
228
230
236
236
244
244
252
252
260
260
264
268
268
268
272
276
3822
3809
3810
3823
3832
3824
3833
3825
3834
3826
3816
3835
3827
3817
3818
3819
W
W
W
.
@ .200”
148
147
153
155
160
162
167
169
174
176
180
181
183
183
187
191
C
O
M
98°
.103
.106
.117
.118
.134
.134
.149
.149
.161
.163
.170
.174
.176
.177
.184
.191
.360
.346
.350
.360
.350
.360
.350
.360
.350
.360
.370
.350
.360
.370
.370
.370
P
C
A
M
102°
.089
.091
.102
.103
.118
.118
.132
.132
.146
.147
.156
.160
.162
.162
.170
.176
S
.
106°
.076
.079
.088
.089
.103
.103
.118
.118
.131
.133
.140
.146
.147
.147
.155
.162
C
O
1.625
.585
.562
.569
.585
.569
.585
.569
.585
.569
.585
.601
.569
.585
.601
.601
.601
M
1.650
.594
.571
.578
.594
.578
.594
.578
.594
.578
.594
.611
.578
.594
.611
.611
.611
19
SOLID FLAT TAPPET
SOLID FLAT TAPPET
HIGH ENERGY™ & MAGNUM SOLIDS
The High Energy™ Solid is the mechanical version of the High Energy™ Hydraulic. Because these designs incorporate
a mechanical (solid) lifter, the valve actuation is quicker than the High Energy™ Hydraulics, thus producing slightly
more power than its hydraulic counterpart. The Magnum Solid Lifter Series is designed to allow the valve lash to
be varied from .015” to .030”. This tuning tool can be used to fine tune any high performance application to a razor
sharp edge.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
High Energy™
Rated Duration @
.015” Tappet Lift
.842" Min. Dia.
5190
6114
6038
240-3
244-3
264-1
@ .050” @ .200”
190
104
200
108
220
130
.266
.266
.293
106°
.031
.031
.062
110°
.023
.023
.050
1.5
.399
.399
.440
1.6
.426
.426
.469
1.7
.452
.452
.499
Magnum
Rated Duration @
.015” Tappet Lift
.842" Min. Dia.
6017
6002
270-3
282-2
224
236
135
145
.312
.330
.064
.082
.054
.069
.468
.495
.499
.528
.530
.561
6007
6003
294-3
306-5
248
260
154
164
.350
.370
.096
.119
.084
.100
.525
.555
.560
.592
.595
.629
CAMSHAFT TYPE
NOSTALGIA PLUS™ SOLIDS
Like the Nostalgia Plus™ Hydraulics, these lobes are designed to mimic the sound of the great engines of the past
while improving performance by applying today's design techniques. The solid lifter design allows more precise valve
control and allows further tuning through lash adjustment. When lashed at .015" these designs provide that
distinct metallic, mechanical sound made famous by the most powerful of the great factory muscle cars.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6068
6069
6070
6071
276
283
284
291
@ .050” @ .200”
239
149
246
155
247
158
254
164
.320
.317
.336
.332
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Nostalgia Plus™
Rated Duration @
.015” Tappet Lift
.842" Min. Dia.
106°
.094
.104
.108
.118
110°
.080
.090
.094
.104
1.5
.480
.476
.504
.498
1.6
.512
.507
.538
.531
1.7
.544
.539
.571
.564
XTREME ENERGY™ SOLIDS
The Xtreme Energy™ Solids are designed with similar characteristics to the Xtreme Energy™ Hydraulics to maximize
torque, acceleration and throttle response while providing even more high rpm horsepower by taking advantage of
the increased stability of a solid design. The Xtreme Energy™ Solids have ramps that provide shorter seat timing
than all but the most aggressive race solids but feature a special closing section to eliminate excessive noise.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6052
6083
6053
6084
6054
256
262
262
268
268
@ .050” @ .200”
218
129
224
135
224
135
230
140
230
141
.311
.313
.319
.313
.326
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Xtreme Energy™
Rated Duration @
.015” Tappet Lift
.842" Min. Dia.
106°
.057
.067
.067
.077
.077
110°
.046
.054
.054
.064
.064
1.5
.467
.470
.479
.470
.489
1.6
.498
.501
.510
.501
.522
1.7
.529
.532
.542
.532
.554
20
1
.
8
0
0
.
9
9
9
.
0
8
5
3
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
6055
6056
6057
6089
6059
6091
6061
274
280
282
290
290
298
298
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Xtreme Energy™
Rated Duration
.015” Tappet Lift
.842” Min. Dia.
@ .050”
236
242
244
252
252
260
260
@ .200”
147
153
156
164
164
171
172
106°
.087
.097
.101
.115
.115
.129
.129
.335
.341
.347
.352
.361
.352
.373
110°
.073
.083
.087
.101
.101
.155
.155
1.5
.503
.512
.521
.528
.542
.528
.560
1.6
.536
.546
.555
.563
.578
.563
.597
1.7
.570
.580
.590
.598
.614
.598
.634
SOLID FLAT TAPPET
HIGH TORQUE SOLIDS
The High Torque Solid is designed to be used on .842” or larger tappet diameters. These are our winningest all
around solid designs. Tappet acceleration rates are high to produce maximum torque vs. horsepower in an all out
racing engine. Works well as exhaust when coupled with TL or XTQ intake designs.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
6015
6001
6014
6016
6009
6018
6000
6010
6004
6011
6005
270-1
280-1
285-1
290-1
295-1
300-1
305-1
310-1
310-2
320-1
320-2
@ .050” @ .200”
235
144
242
152
250
156
255
160
260
164
265
169
270
175
275
177
270
175
283
184
280
182
.330
.338
.355
.360
.370
.375
.385
.390
.375
.392
.375
106°
.082
.094
.104
.111
.119
.126
.136
.142
.143
.163
.156
CAMSHAFT TYPE
High Torque
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
110°
.068
.080
.092
.098
.100
.113
.123
.129
.129
.149
.142
1.5
.495
.507
.533
.540
.555
.563
.578
.585
.563
.588
.563
1.6
.528
.541
.568
.576
.592
.600
.616
.624
.600
.627
.600
1.7
.561
.575
.604
.612
.629
.638
.655
.663
.638
.666
.638
HIGH RPM SOLIDS
These designs are to be used primarily on motors with 1.7 or greater rocker ratios. Design rates have been
carefully chosen to allow these designs to run higher engine speeds than their high torque counterparts.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6019
6012
6013
6006
6027
6028
6029
284-1
294-1
304-1
314-1
324-1
328-3
334-2
@ .050” @ .200”
246
152
256
162
266
172
276
182
286
191
290
184
296
200
.326
.341
.356
.371
.386
.400
.400
TAPPET LIFT @
TDC
CAMSHAFT TYPE
High RPM
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
W
W
W
.
C
O
M
P
C
A
M
106°
.097
.114
.131
.148
.165
.168
.182
S
.
C
110°
.083
.100
.117
.134
.151
.154
.168
O
M
1.5
.489
.512
.534
.557
.579
.600
.600
1.6
.522
.546
.570
.594
.618
.640
.640
1.7
.554
.580
.605
.631
.656
.680
.680
21
SOLID FLAT TAPPET
SOLID FLAT TAPPET
HI-TECH™ SOLIDS
These designs represent an excellent mix of horsepower, torque, rpm and durability. They work with .842” or
larger diameter tappet, producing very good results. These have been used successfully in everything from NASCAR
Nextel Cup and endurance applications to drag racing and hobby stocks.
LOBE
NUMBER
RATED
DURATION
6030
6031
6032
6033
6034
6035
6036
300-4
304-4
308-4
312-4
316-4
320-4
324-4
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
@ .050” @ .200”
Hi-Tech
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
™
262
266
270
274
278
282
286
166
170
174
177
181
186
192
.365
.370
.375
.380
.385
.390
.400
106°
110°
1.5
1.6
1.7
.121
.128
.134
.140
.147
.154
.163
.108
.114
.120
.127
.133
.140
.149
.548
.555
.563
.570
.578
.585
.600
.584
.592
.600
.608
.616
.624
.640
.621
.629
.638
.646
.655
.663
.680
TIGHT LASH SOLIDS
The designs for the tight lash solid .842” diameter lifters feature shorter seat timing and more area than similar
designs. Good in restricted or open rules circle track racing. The larger designs perform very well in drag racing.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6312
6313
6314
6301
6302
6303
6304
6305
6306
6307
6308
6310
TL264
TL268
TL272
TL276
TL280
TL284
TL288
TL292
TL296
TL300
TL304
TL312
@ .050” @ .200”
234
143
238
147
242
151
246
154
250
158
254
162
259
166
262
169
266
173
270
177
274
181
282
191
.3300
.3350
.3400
.3476
.3534
.3600
.3667
.3734
.3800
.3867
.3934
.4067
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Tight Lash
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
106°
.083
.089
.096
.102
.109
.114
.121
.127
.133
.139
.143
.162
110°
.070
.077
.083
.089
.095
.101
.108
.113
.119
.125
.130
.148
1.5
.495
.503
.510
.521
.530
.540
.550
.560
.570
.580
.590
.610
1.6
.528
.536
.544
.556
.565
.576
.587
.597
.608
.619
.629
.651
1.7
.561
.570
.578
.591
.601
.612
.623
.635
.646
.657
.669
.691
HIGH RPM SERIES II SOLIDS
High RPM Series II Solids are more aggressive than the original High RPM and Hi-Tech™ Solid profiles. They are
designed for use in applications that need the area of an XTQ style lobe but are required to operate at higher engine
speeds than that fast of a ramp will allow. HTL Lifters are highly recommended with these profiles. Note: Cams
using these lobes should have provisions for increased oiling. Please consult with our tech rep.
LOBE
NUMBER
RATED
DURATION
6330
6331
6332
6333
6334
6335
6336
287
291
295
299
303
307
311
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
@ .050” @ .200”
High RPM Series II
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
22
1
.
256
260
264
268
272
276
280
8
0
0
167
171
175
179
183
187
191
.
9
.367
.371
.376
.380
.384
.389
.393
9
9
.
106°
110°
1.5
1.6
1.7
.121
.128
.135
.142
.149
.156
.163
.107
.114
.121
.128
.135
.142
.149
.551
.557
.564
.570
.576
.584
.590
.587
.594
.602
.608
.614
.622
.629
.624
.631
.639
.646
.653
.661
.668
0
8
5
3
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6275
6276
6277
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
248XTQ
254XTQ
260XTQ
266XTQ
270XTQ
274XTQ
278XTQ
282XTQ
286XTQ
290XTQ
294XTQ
298XTQ
302XTQ
306XTQ
310XTQ
314XTQ
@ .050” @ .200”
218
129
224
135
230
141
236
147
240
152
244
156
248
160
252
164
256
168
260
172
264
176
268
180
272
184
276
188
280
192
284
196
.310
.318
.325
.334
.340
.346
.354
.360
.366
.372
.378
.386
.392
.398
.404
.410
TAPPET LIFT @
TDC
SOLID FLAT TAPPET
XTQ SOLIDS
The XTQ Solid design sets the new standard for aggressive .842” lifter designs. With seat timing as low as our
original Tight Lash Series and more area than our famous “XX” .875” series, these designs give their racers a clear
edge over the competition. Smaller designs are intended for restricted applications; larger designs can be used in
open applications with an optimized valve spring selection and lighter valve train. Note: Cams using these lobes
should have provisions for increased oiling. Please consult with our tech representative.
CAMSHAFT TYPE
XTQ
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
106°
.057
.067
.077
.087
.094
.101
.108
.115
.122
.129
.136
.143
.150
.157
.164
.171
110°
.046
.054
.064
.073
.080
.087
.094
.101
.108
.115
.122
.129
.136
.143
.150
.157
1.5
.465
.477
.488
.501
.510
.519
.531
.540
.549
.558
.567
.579
.588
.597
.606
.615
1.6
.496
.509
.520
.534
.544
.554
.566
.576
.586
.595
.605
.618
.627
.637
.646
.656
1.7
.527
.541
.553
.568
.578
.588
.602
.612
.622
.632
.643
.656
.666
.677
.687
.697
XTX SOLIDS
The new XTX Solids are an excellent choice for exhaust profiles to be coupled with either the XTQ of MH profiles or
can be use for both intake and exhaust in high rpm applications. The closing side is similar to the High Torque
profiles, but this design incorporates a faster opening side to increase torque and provide more area. The lifts are
slightly less than the High Torque profiles to increase the nose radius and reduce wear. Note: Cams using these
lobes should have provisions for increased oiling. Please consult with our tech representative.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6400
6402
6404
6406
6408
6410
6412
6414
6416
6418
6420
272
276
280
284
288
292
296
300
304
308
312
@ .050” @ .200”
238
145
242
149
246
153
250
157
254
161
258
165
262
169
266
173
270
177
274
181
278
185
.335
.341
.347
.351
.355
.359
.363
.367
.371
.375
.379
TAPPET LIFT @
TDC
CAMSHAFT TYPE
XTX
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
W
W
W
.
C
O
M
P
C
A
M
106°
.086
.092
.099
.105
.112
.118
.125
.132
.139
.146
.153
S
.
C
110°
.074
.080
.086
.092
.098
.105
.111
.118
.125
.132
.139
O
M
1.5
.503
.512
.521
.527
.533
.539
.545
.551
.557
.563
.569
1.6
.536
.546
.555
.562
.568
.574
.581
.587
.594
.600
.606
1.7
.570
.580
.590
.597
.604
.610
.617
.624
.631
.638
.644
23
SOLID FLAT TAPPET
SOLID FLAT TAPPET
JF .330" LIFT SOLIDS
The JF .330" Lift Solids are designed for use in lift rule classes that require higher rpm or lighter springs than
needed with the Max Area Lift Rule Series. The JF designs are also good for use with very high rockers in more
open applications. Can also be run in hydraulic lifter applications.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
6160
6161
6162
6163
6164
273
277
281
285
289
@ .050”
244
248
252
256
260
@ .200”
153
157
161
164
167
.330
.330
.330
.330
.330
106°
.100
.107
.114
.121
.126
110°
.087
.094
.100
.107
.113
1.5
.495
.495
.495
.495
.495
1.6
.528
.528
.528
.528
.528
1.7
.561
.561
.561
.561
.561
6165
6166
6167
6168
6169
293
295
297
299
301
264
266
268
270
272
170
172
174
176
178
.330
.330
.330
.330
.330
.132
.136
.139
.143
.146
.119
.122
.126
.129
.133
.495
.495
.495
.495
.495
.528
.528
.528
.528
.528
.561
.561
.561
.561
.561
CAMSHAFT TYPE
JF .330" Lift
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
MAX AREA (MA) SOLIDS
The Max Area Series is designed for 2-barrel and stock intake applications, which are airflow limited. This series of
lobes utilizes low seat timing with maximum area under the curve. These lobes perform best with a 1.7 or 1.8
rocker ratio and can be used with an .842” lifter. Note: Cams using these lobes should have provisions for
increased oiling. Please consult with our tech representative.
LOBE
NUMBER
RATED
DURATION
6208
6209
6210
6211
6212
6213
6214
6215
6216
6217
6218
6219
6222
MA251-1
MA255-1
MA259-1
MA263-1
MA267-1
MA271-1
MA275-1
MA279-1
MA283-1
MA287-1
MA291-1
MA295-1
MA299-1
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Max Area
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
24
1
.
8
@ .050”
225
229
232
236
240
244
248
252
256
260
264
268
272
0
0
.
@ .200”
135
139
143
147
151
155
159
161
164
168
171
176
179
.319
.326
.330
.331
.333
.340
.340
.340
.340
.340
.340
.345
.345
9
9
9
106°
.064
.072
.076
.090
.097
.104
.109
.116
.123
.129
.136
.143
.149
.
0
8
110°
.053
.059
.064
.077
.083
.091
.096
.103
.109
.116
.123
.129
.136
5
1.5
.479
.489
.495
.497
.500
.510
.510
.510
.510
.510
.510
.518
.518
3
1.6
.510
.522
.528
.530
.533
.544
.544
.544
.544
.544
.544
.552
.552
1.7
.542
.554
.561
.563
.566
.578
.578
.578
.578
.578
.578
.587
.587
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
5695
5696
5704
5718
5720
5719
5708
5645
5744
5746
5550
5553
5643
5644
5649
5646
5650
5651
5652
5653
5647
5654
5655
273
277
283
275
279
283
293
257
261
265
267
274
281
265
273
275
277
281
285
289
291
293
297
@ .050”
246
250
256
248
252
256
266
230
234
238
240
248
254
238
246
248
250
254
258
262
264
266
270
@ .200”
124
127
142
140
144
148
159
124
129
133
134
142
148
134
143
145
146
150
154
159
161
163
167
.237
.237
.242
.252
.252
.252
.255
.260
.260
.260
.260
.260
.260
.266
.266
.266
.266
.266
.266
.266
.266
.266
.266
106°
.100
.106
.117
.103
.109
.115
.131
.076
.083
.089
.093
.107
.115
.089
.103
.106
.109
.115
.122
.129
.132
.135
.141
110°
.088
.094
.105
.090
.096
.103
.119
.063
.070
.076
.080
.093
.102
.076
.090
.093
.096
.102
.110
.116
.120
.123
.129
1.5
.356
.356
.363
.378
.378
.378
.383
.390
.390
.390
.390
.390
.390
.399
.399
.399
.399
.399
.399
.399
.399
.399
.399
1.6
.379
.379
.387
.403
.403
.403
.408
.416
.416
.416
.416
.416
.416
.426
.426
.426
.426
.426
.426
.426
.426
.426
.426
1.7
.403
.403
.411
.428
.428
.428
.434
.442
.442
.442
.442
.442
.442
.452
.452
.452
.452
.452
.452
.452
.452
.452
.452
5657
5692
5694
301
283
291
274
256
264
170
156
165
.266
.273
.273
.147
.121
.134
.135
.108
.121
.399
.410
.410
.426
.437
.437
.452
.464
.464
5697
5698
5667
5668
5669
5670
5656
5658
5659
5666
5663
5664
5665
5661
5662
5678
5680
5679
303
297
257
265
269
273
276
283
286
290
295
301
303
287
291
279
286
294
276
270
230
238
242
246
250
256
260
264
268
274
276
260
264
252
259
267
176
171
135
142
145
148
152
156
161
165
171
172
174
166
169
152
158
167
.275
.278
.283
.283
.283
.283
.283
.283
.283
.283
.283
.283
.283
.288
.288
.290
.294
.296
.152
.144
.078
.091
.098
.104
.110
.121
.127
.136
.144
.149
.151
.130
.136
.113
.121
.134
.140
.131
.064
.077
.084
.090
.097
.107
.113
.123
.131
.136
.139
.116
.122
.100
.108
.121
.413
.417
.425
.425
.425
.425
.425
.425
.425
.425
.425
.425
.425
.432
.432
.435
.441
.444
.440
.445
.453
.453
.453
.453
.453
.453
.453
.453
.453
.453
.453
.461
.461
.464
.470
.474
.468
.473
.481
.481
.481
.481
.481
.481
.481
.481
.481
.481
.481
.490
.490
.493
.500
.503
SOLID FLAT TAPPET
MAX AREA LIFT RULE
The Max Area Lift Rule lobes can be run with solid lifters or Pro Magnum™ style hydraulic lifters. They are more
aggressive off the seat than the parent Max Area series for tighter lash and less rocker. They work excellent in lift
rule oval track, road race and high rpm NHRA Stock Eliminator classes. Will check 21 degrees larger at .006" than
.020". Specifically designed to optimize dynamic valve motion and produce maximum power, these lobes use the
experience gained from racing the MA profile and the new techniques we learn from our Spintron® testing to provide the best performance in all lift rule applications. Grouped in lobe lift increments for convenient selection. Note:
Cams using these lobes should have provisions for increased oiling. Please consult with our tech representative.
CAMSHAFT TYPE
Max Area Low Lift
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
25
SOLID FLAT TAPPET
SOLID FLAT TAPPET
26
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
5676
5677
5681
5682
5683
5684
5685
5686
6174
5713
5714
5715
6192
263
267
271
275
279
283
287
291
274
280
282
284
266
@ .050”
236
240
244
248
252
256
260
264
248
254
256
258
240
@ .200”
143
147
151
155
158
162
166
170
158
158
160
162
150
.300
.300
.300
.300
.300
.300
.300
.300
.304
.306
.306
.306
.312
106°
.088
.095
.102
.109
.116
.123
.130
.136
.109
.116
.119
.123
.095
110°
.074
.081
.088
.095
.102
.109
.116
.123
.095
.103
.106
.109
.081
1.5
.450
.450
.450
.450
.450
.450
.450
.450
.456
.459
.459
.459
.468
1.6
.480
.480
.480
.480
.480
.480
.480
.480
.486
.490
.490
.490
.499
1.7
.510
.510
.510
.510
.510
.510
.510
.510
.517
.520
.520
.520
.530
6193
6194
6195
6196
6197
6198
6199
6200
6231
6232
6234
6235
6237
6238
6239
6246
6240
6249
6241
6242
6243
6244
6245
6247
270
274
278
282
286
290
294
298
262
266
274
278
286
290
294
296
300
304
262
266
270
274
278
282
244
248
252
256
260
264
268
272
236
240
248
252
260
264
268
270
274
278
236
240
244
248
252
256
154
158
162
166
170
174
178
182
148
152
160
164
172
176
180
182
186
190
149
152
156
160
164
167
.312
.312
.312
.312
.312
.312
.312
.312
.322
.322
.322
.322
.322
.322
.324
.320
.324
.324
.330
.330
.330
.330
.330
.330
.102
.109
.116
.123
.130
.137
.144
.151
.088
.095
.109
.116
.131
.138
.145
.148
.155
.162
.088
.095
.102
.109
.116
.124
.088
.095
.102
.109
.116
.123
.130
.137
.075
.081
.095
.102
.116
.124
.131
.134
.141
.148
.075
.081
.088
.095
.102
.109
.468
.468
.468
.468
.468
.468
.468
.468
.483
.483
.483
.483
.483
.483
.486
.480
.486
.486
.495
.495
.495
.495
.495
.495
.499
.499
.499
.499
.499
.499
.499
.499
.515
.515
.515
.515
.515
.515
.518
.512
.518
.518
.528
.528
.528
.528
.528
.528
.530
.530
.530
.530
.530
.530
.530
.530
.547
.547
.547
.547
.547
.547
.551
.544
.551
.551
.561
.561
.561
.561
.561
.561
0
5
CAMSHAFT TYPE
Max Area Low Lift
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
1
.
8
0
0
.
9
9
9
.
8
3
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
6252
6286
6253
6289
6282
6251
6281
6250
6280
6254
6283
6284
6255
6285
6256
262
264
266
268
270
272
274
276
278
280
282
284
286
288
290
DURATION IN
DEGREES
LOBE
LIFT
SOLID FLAT TAPPET
MH SOLIDS
MH solids are the most aggressive .842" solid lifter profiles available. These are best in restricted applications
where maximum torque and power are required and valve train rules are open except for requiring .842" flat tappets. COMP's new #26094 valve spring, 3/8" min. pushrod diameters, Performance Series™ Lightweight Oiling
Tappets and Shaft Mounted Rockers are all highly recommended. Please consult with a COMP Cams® CAM HELP®
technician or one of our Engine Builder Sales personnel before using these profiles to reduce the risk from improper component selection. Note: Cams using these lobes should have provisions for increased oiling. Please consult
with our tech representative.
TAPPET LIFT @
TDC
CAMSHAFT TYPE
MH
Rated Duration @
.020” Tappet Lift
.842" Min. Dia.
@ .050”
236
238
240
242
244
246
248
250
252
254
256
258
260
262
264
@ .200”
149
151
153
155
157
159
161
163
165
167
169
171
173
175
177
106°
.088
.092
.095
.099
.102
.106
.109
.113
.116
.120
.124
.127
.131
.134
.138
.345
.348
.350
.354
.357
.360
.362
.365
.367
.368
.370
.372
.375
.377
.380
110°
.075
.078
.081
.085
.088
.092
.095
.099
.102
.106
.109
.113
.116
.120
.124
1.5
.518
.522
.525
.531
.536
.540
.543
.548
.551
.552
.555
.558
.563
.566
.570
1.6
.552
.557
.560
.566
.571
.576
.579
.584
.587
.589
.592
.595
.600
.603
.608
1.7
.587
.592
.595
.602
.607
.612
.615
.621
.624
.626
.629
.632
.638
.641
.646
MHF SOLIDS
MHF solids are similar to the MH series but have even more velocity and more area to take complete advantage of
the larger .875" Ford lifter. Please consult with a COMP Cams® CAM HELP® technician or one of our Engine Builder
Sales personnel before using these profiles to reduce the risk from improper component selection. Note: Cams
using these lobes should have provisions for increased oiling. Please consult with our tech representative.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
7393
7394
7395
7404
7405
7406
7408
7409
7411
7412
7413
7414
7415
7416
260
262
264
266
268
270
274
278
282
286
290
294
296
298
@ .050” @ .200”
234
150
236
152
238
154
240
156
242
158
244
160
248
164
252
168
256
172
260
176
264
180
268
184
270
186
272
188
.355
.357
.359
.361
.362
.364
.369
.373
.380
.385
.390
.395
.397
.400
TAPPET LIFT @
TDC
CAMSHAFT TYPE
MHF
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
W
W
W
.
C
O
M
P
C
A
M
S
106°
.085
.089
.093
.096
.100
.104
.111
.118
.126
.133
.141
.148
.152
.156
110°
.071
.075
.078
.082
.085
.089
.096
.104
.111
.118
.126
.133
.137
.141
.
O
C
M
1.5
.533
.536
.539
.542
.543
.546
.554
.560
.570
.578
.585
.593
.596
.600
1.6
.568
.571
.574
.578
.579
.582
.590
.597
.608
.616
.624
.632
.635
.640
1.7
.604
.607
.610
.614
.615
.619
.627
.634
.646
.655
.663
.672
.675
.680
27
SOLID FLAT TAPPET
SOLID FLAT TAPPET
FL & SQ SOLIDS
The FL Series is designed to provide excellent area under the curve with an .875” tappet. These work great in place
of TL's where .875" lifters can be used. Excellent in restricted applications with 1.65:1 to 1.75:1 rocker arms.
Increased valve spring loads are recommended for higher rpm. The SQ designs are the larger cousins of the FL
Series and can be used in higher rpm applications with increased spring loads. Note: Cams using these lobes
should have provisions for increased oiling. Please consult with our tech representative.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
7130
7131
7132
7133
7134
FL268
FL272
FL276
FL280
FL284
@ .050” @ .200”
239
153
243
157
247
161
251
165
254
169
.356
.361
.366
.371
.381
106°
.091
.098
.106
.113
.120
110°
.078
.084
.091
.098
.106
1.5
.534
.542
.549
.557
.572
1.6
.570
.578
.586
.594
.610
1.7
.605
.614
.622
.631
.648
7250
7262
7260
7263
7261
7265
7266
7267
289
291
293
295
297
300
302
304
.385
.385
.390
.390
.400
.400
.400
.400
.132
.135
.138
.142
.146
.150
.154
.158
.117
.120
.123
.127
.131
.135
.139
.143
.578
.578
.585
.585
.600
.600
.600
.600
.616
.616
.624
.624
.640
.640
.640
.640
.655
.655
.663
.663
.680
.680
.680
.680
CAMSHAFT TYPE
FL .875"
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
SQ .875"
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
260
262
264
266
268
270
272
274
175
177
179
181
183
185
187
189
HIGH RPM DASH 12 SOLIDS
Designed to turn high engine speed while maintaining control of the valve. Must use .875” diameter lifter. For use
with 1.65 - 1.7+ rocker arms. Easy on valve train components. Intake designs have faster opening ramps and can
be used on intake or exhaust. Exhaust designs have symmetric ramps and are smoother. Note: Cams using these
lobes should have provisions for increased oiling. Please consult with our tech representative.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
Intake Designs
High RPM
Dash 12
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
7160
7161
7162
7163
7164
7165
7166
7168
7158
7159
292-12
296-12
300-12
302-12
304-12
306-12
308-12
312-12
314-12
318-12
@ .050”
258
262
266
268
270
272
274
278
280
284
@ .200”
168
171
176
179
180
182
183
188
190
194
.375
.380
.390
.395
.395
.400
.400
.408
.410
.410
106°
.120
.128
.130
.134
.138
.142
.145
.153
.156
.164
110°
.106
.113
.116
.119
.123
.127
.130
.138
.142
.149
1.5
.563
.570
.585
.593
.593
.600
.600
.612
.615
.615
1.6
.600
.608
.624
.632
.632
.640
.640
.653
.656
.656
1.7
.638
.646
.663
.672
.672
.680
.680
.694
.697
.697
Exhaust Designs
High RPM
Dash 12
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
7169
7170
7174
7171
7172
312-11
316-12
318-11
320-12
322-12
276
280
282
284
286
184
188
190
192
194
.400
.408
.410
.410
.410
.148
.155
.159
.163
.167
.134
.141
.145
.148
.152
.600
.612
.615
.615
.615
.640
.653
.656
.656
.656
.680
.694
.697
.697
.697
CAMSHAFT TYPE
28
1
.
8
0
0
.
9
9
9
.
0
8
5
3
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
7185
9185
7186
9186
7187
9187
7188
310-13
310
312-13
312
314-13
314
316-13
@ .050”
276
276
278
278
280
280
282
9188
7189
9189
7190
9190
7191
9191
7192
9192
7193
9193
7194
9194
7015
9195
7016
316
318-13
318
320-13
320
322-13
322
324-13
324
326-13
326
328-13
328
330-13
330
332-13
282
284
284
286
286
288
288
290
290
292
292
294
294
296
296
298
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
186
186
188
188
190
190
192
.392
.402
.394
.404
.396
.406
.398
106°
.151
.151
.155
.155
.159
.159
.163
110°
.136
.136
.140
.140
.144
.144
.148
1.6
.627
.643
.630
.646
.634
.650
.637
1.7
.666
.683
.670
.687
.673
.690
.677
1.8
.706
.724
.709
.727
.713
.731
.716
192
194
194
196
196
198
198
200
200
202
202
204
204
206
206
208
.408
.400
.410
.402
.412
.403
.414
.404
.416
.405
.418
.406
.420
.407
.422
.408
.163
.166
.166
.170
.170
.174
.174
.178
.178
.182
.182
.186
.186
.189
.189
.193
.148
.151
.151
.155
.155
.159
.159
.163
.163
.167
.167
.171
.171
.174
.174
.178
.653
.640
.656
.643
.659
.645
.662
.646
.666
.648
.669
.650
.672
.651
.675
.653
.694
.680
.697
.683
.700
.685
.704
.687
.707
.689
.711
.690
.714
.692
.717
.694
.734
.720
.738
.724
.742
.725
.745
.727
.749
.729
.752
.731
.756
.733
.760
.734
SOLID FLAT TAPPET
DASH 13 SOLIDS
Dash 13 Solids are very similar to both the Dash 12 and XX open designs. These provide a more modern,
in-between series that can handle more rocker ratio than either of the two earlier families. Note: Cams using these
lobes should have provisions for increased oiling.
CAMSHAFT TYPE
Dash 13
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
F3 EXHAUST SOLIDS
The F3 Exhaust Solids are like the Dash 13 high lift lobes, but they have a faster opening ramp ramp design to help
increase torque while increasing opening area to reduce pumping losses. Note: Cams using these lobes should have
provisions for increased oiling.
LOBE
NUMBER
RATED
DURATION
9158
9159
9160
9161
9162
314
316
318
320
322
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.410
.412
.414
.416
.418
106°
.166
.170
.174
.178
.182
CAMSHAFT TYPE
F3 Exhaust
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
W
W
W
.
@ .050”
283
285
287
289
291
C
O
M
@ .200”
194
196
198
200
202
P
C
A
M
S
.
C
110°
.151
.155
.159
.163
.167
O
M
1.6
.656
.659
.662
.666
.669
1.7
.697
.700
.704
.707
.711
1.8
.738
.742
.745
.749
.752
29
SOLID FLAT TAPPET
SOLID FLAT TAPPET
D3C SOLIDS
D3C Solids are like the Dash 13 designs but with slightly less velocity for coated tappets.
LOBE
NUMBER
RATED
DURATION
9384
9385
9386
9387
9388
9389
312
314
316
318
320
322
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.390
.392
.394
.396
.398
.400
106°
.154
.158
.162
.166
.169
.173
CAMSHAFT TYPE
D3C
Rated Duration @
.020” Tappet Lift
.875” Min. Dia.
@ .050”
278
280
282
284
286
288
@ .200”
187
189
191
193
195
197
110°
.140
.144
.147
.151
.155
.158
1.6
.624
.627
.630
.634
.637
.640
1.7
.663
.666
.670
.673
.677
.680
1.8
.702
.706
.709
.713
.716
.720
XX SERIES SOLIDS
The smaller restricted designs are very aggressive. The larger open designs are for continuous high rpm, providing
stability over 8500 with good related components. Both require proper spring selection and regular maintenance.
Very good horsepower curves. Proper break-in is very critical with these lobe designs. Best when used with COMP
Performance Series™ Lightweight Solid Lifters and 1.6 - 1.7 rocker ratios. Note: Cams using these lobes should
have provisions for increased oiling. Please consult with our tech representative.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
7110
7113
7114
7115
7136
7116
278XX
280XX
282XX
284XX
286XX
288XX
@ .050”
246
248
250
254
256
258
@ .200”
159
160
162
166
168
170
.365
.365
.370
.366
.378
.380
106°
.102
.103
.106
.114
.118
.120
110°
.088
.090
.092
.100
.104
.107
1.5
.548
.548
.555
.549
.567
.570
1.6
.584
.584
.592
.586
.605
.608
1.7
.621
.621
.629
.622
.643
.646
7118
7117
294XX
298XX
262
266
175
180
.390
.400
.129
.137
.115
.122
.585
.600
.624
.640
.663
.680
7068
7069
7071
7072
7073
7074
7075
7125
7077
7078
7127
7135
292XX
296XX
300XX
302XX
304XX
306XX
308XX
310XX
312XX
314XX
316XX
320XX
260
264
268
270
272
274
276
278
280
282
284
288
170
174
178
180
182
184
186
190
191
193
196
200
.390
.395
.400
.403
.406
.408
.410
.415
.415
.418
.420
.420
.124
.133
.139
.141
.145
.148
.153
.158
.161
.165
.169
.177
.110
.119
.122
.124
.126
.131
.133
.139
.143
.150
.146
.154
.585
.593
.600
.605
.609
.612
.615
.623
.623
.627
.630
.630
.624
.632
.640
.645
.650
.653
.656
.664
.664
.669
.672
.672
.663
.672
.680
.685
.690
.694
.697
.706
.706
.711
.714
.714
CAMSHAFT TYPE
XX Series
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
Open Designs
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
30
1
.
8
0
0
.
9
9
9
.
0
8
5
3
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
7380
7381
7382
7388
7383
7386
7384
7387
7385
7389
7396
7399
261
265
270
272
274
276
278
280
282
286
292
298
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.325
.325
.325
.335
.335
.335
.335
.340
.340
.350
.355
.360
106°
.075
.081
.087
.090
.094
.097
.100
.104
.107
.114
.125
.136
SOLID FLAT TAPPET
HIGH ROCKER RATIO SOLIDS
Specially designed for NASCAR Nextel Cup restrictor plate engines. Use with 2.0:1 intake rocker and 1.9:1 exhaust
along with a Part #927-16 spring. Very smooth for 2.0:1 design and very easy on other valve train parts. Note:
Cams using these lobes should have provisions for increased oiling. Please consult with our tech representative.
CAMSHAFT TYPE
High Ratio
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
@ .050”
230
234
238
240
242
244
246
248
250
254
260
266
@ .200”
141
144
146
149
152
153
154
157
158
163
169
175
110°
.063
.069
.075
.078
.081
.084
.087
.090
.094
.100
.111
.121
1.9
.618
.618
.618
.637
.637
.637
.637
.646
.646
.665
.675
.684
2.0
.650
.650
.650
.670
.670
.670
.670
.680
.680
.700
.710
.720
2.1
.683
.683
.683
.704
.704
.704
.704
.714
.714
.735
.746
.756
HIGH ROCKER RATIO SERIES II SOLIDS
Specially designed for NASCAR Nextel Cup restrictor plate engines. Use with 2.0:1 intake rocker and 1.9:1 exhaust
along with a Part #927-16 spring. More aggressive than earlier 2.0:1 design but still very easy on valve train parts.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
@ .050”
@ .200”
106°
110°
1.9
2.0
2.1
7353
7354
7355
7356
7357
7358
7359
7362
266
268
270
272
274
276
278
280
236
238
240
242
244
246
248
250
148
150
152
154
157
158
160
162
.332
.335
.338
.342
.345
.345
.345
.345
.087
.090
.093
.097
.101
.104
.108
.111
.063
.076
.080
.083
.087
.090
.093
.097
.631
.637
.642
.650
.656
.656
.656
.656
.664
.670
.676
.684
.690
.690
.690
.690
.697
.704
.710
.718
.725
.725
.725
.725
7363
7364
7365
7366
7367
7368
282
284
286
288
290
292
252
254
256
258
260
262
164
166
167
169
170
172
.345
.345
.345
.345
.345
.345
.115
.119
.122
.126
.129
.133
.100
.104
.108
.111
.115
.118
.656
.656
.656
.656
.656
.656
.690
.690
.690
.690
.690
.690
.725
.725
.725
.725
.725
.725
CAMSHAFT TYPE
High Rocker Ratio
Series II
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
31
SOLID FLAT TAPPET
SOLID FLAT TAPPET
N SERIES SOLIDS
Being our most popular NASCAR Nextel Cup designs, these provide excellent power and reliability. Very stable at
high rpm (8600+) with #927 springs and proper valve train selection. Excellent high end power with slightly less
low end torque than XX series. Needs .875" HTL tappet and true lifter bores with very careful break-in.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
Intake Designs
N Series
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
7020
7021
7022
7028
7023
7084
7085
7086
7087
294N-1
298N-2
300N-1
302N-1
304N-1
306N-1
308N-1
310N-1
312N-1
@ .050”
262
266
268
270
272
274
276
278
280
Exhaust Designs
N Series
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
7120
7121
7122
7123
7124
304N-3E
308N-1E
310N-1E
314N-1E
318N-1E
266
270
271
276
280
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
174
176
173
181
183
186
187
189
191
.401
.410
.406
.410
.412
.411
.411
.411
.411
106°
.129
.134
.132
.143
.147
.151
.155
.158
.161
110°
.115
.120
.121
.128
.132
.136
.141
.143
.147
1.5
.602
.615
.609
.615
.618
.617
.617
.617
.617
1.6
.642
.656
.650
.656
.659
.658
.658
.658
.658
1.7
.682
.697
.690
.697
.700
.699
.699
.699
.699
174
179
178
183
186
.390
.400
.390
.400
.405
.128
.133
.137
.145
.149
.114
.119
.123
.131
.135
.585
.600
.585
.600
.608
.624
.640
.624
.640
.648
.663
.680
.663
.680
.689
CAMSHAFT TYPE
OVAL + SOLIDS
These profiles have their design based on the ever popular N-1 series but have been optimized for the higher
rocker ratios, tighter lash settings and lower compression used in today's NASCAR Nextel Cup engines. For use
with 1.7 to 1.8:1 rockers (or more in qualifying.) Requires the same care as the N-1 for break-in.
LOBE
NUMBER
RATED
DURATION
7037
7038
7039
7040
7041
7042
7043
7044
7049
299
301
303
305
307
309
311
313
315
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.399
.401
.403
.405
.407
.409
.411
.413
.415
106°
.136
.140
.143
.147
.151
.154
.158
.162
.165
110°
.122
.125
.128
.132
.136
.140
.143
.147
.151
0
5
CAMSHAFT TYPE
Oval + Solids
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
32
1
.
@ .050”
266
268
270
272
274
276
278
280
282
8
0
0
@ .200”
177
179
181
183
185
187
189
191
193
.
9
9
9
.
8
3
1.7
.678
.682
.685
.689
.692
.695
.699
.702
.706
1.75
.698
.702
.705
.709
.712
.716
.719
.723
.726
1.8
.718
.722
.725
.729
.733
.736
.740
.743
.747
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
7665
7666
7667
7668
7669
7670
7671
299
301
303
305
307
309
311
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.398
.400
.402
.405
.408
.411
.413
106°
.138
.141
.145
.149
.153
.156
.159
SOLID FLAT TAPPET
FE .875” SOLIDS
These designs are for use in NASCAR Nextel Cup with high rocker ratios. Typically used with 1.75 to 1.80:1 ratios
for race and 1.9 to 2.0:1 ratios for qualifying. These are very comparable to the Oval + Solids but should be a
little better below peak torque and above peak power if the valve train is optimized
CAMSHAFT TYPE
FE .875”
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
@ .050”
267
269
271
273
275
277
279
@ .200”
178
180
182
184
186
188
190
110°
.123
.127
.130
.134
.137
.141
.145
1.7
.677
.680
.683
.689
.694
.699
.702
1.75
.697
.700
.704
.709
.714
.719
.723
1.8
.716
.720
.724
.729
.734
.740
.743
TDLC SOLIDS
The TDLC Solids are a cross between the Oval + and FE designs but with lower velocity for use with coated
tappets.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
9374
9375
9376
9377
297
299
301
303
@ .050” @ .200”
266
176
268
178
270
180
272
182
.384
.386
.388
.390
TAPPET LIFT @
TDC
CAMSHAFT TYPE
TDLC
Rated Duration @
.020” Tappet Lift
.875” Min. Dia.
106°
.134
.138
.142
.145
110°
.120
.124
.127
.131
1.9
.730
.733
.737
.741
2.0
.768
.772
.776
.780
2.1
.806
.811
.815
.819
T1N SERIES - VERY HIGH RPM .875" FLAT TAPPET
The T1N series is the next step in the evolution of the N1, Oval+ and FE series. These are optimized for use on
Tool Steel cams and work very well with the popular DLC tappet coatings. T1N profiles have been used very
successfully on both the intake and exhaust side.
LOBE
NUMBER
RATED
DURATION
9360
9361
9362
9363
9364
9365
9366
9367
9368
9369
9370
303
305
307
309
311
313
315
317
319
321
323
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.394
.396
.398
.400
.402
.404
.406
.408
.410
.412
.414
106°
.142
.146
.150
.153
.157
.161
.164
.168
.172
.176
.179
CAMSHAFT TYPE
T1N Series
Rated Duration @
.020” Tappet Lift
.875” Min. Dia.
W
W
W
.
@ .050”
270
272
274
276
278
280
282
284
286
288
290
C
O
M
@ .200”
181
183
185
187
189
191
193
195
197
199
201
P
C
A
M
S
.
C
110°
.128
.131
.135
.139
.142
.146
.150
.153
.157
.161
.164
O
M
1.8
.709
.713
.716
.720
.724
.727
.731
.734
.738
.742
.745
1.9
.749
.752
.756
.760
.764
.768
.771
.775
.779
.783
.787
2.0
.788
.792
.796
.800
.804
.808
.812
.816
.820
.824
.828
33
SOLID FLAT TAPPET
SOLID FLAT TAPPET
NRX SOLIDS
The NRX Solids are designed for use in Nextel Cup engines with 55mm or larger journals. They are designed with
higher lobe lifts than the standard journal families to allow either less ratio or higher lift. Use in applications with
less than 55mm journals will result in a small nose radius and premature wear.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
7203
7204
7205
7206
7207
7208
9709
9710
299
301
303
305
307
309
311
313
@ .050”
266
268
270
272
274
276
278
280
@ .200”
179
181
183
185
187
189
191
193
.414
.416
.418
.420
.422
.424
.426
.428
106°
.139
.143
.147
.151
.155
.158
.162
.166
110°
.124
.128
.132
.136
.139
.143
.147
.151
1.7
.704
.707
.711
.714
.717
.721
.724
.728
1.75
.725
.728
.732
.735
.739
.742
.746
.749
1.8
.745
.749
.752
.756
.760
.763
.767
.770
9711
9712
9713
9714
315
317
319
321
282
284
286
288
195
197
199
201
.430
.432
.434
.436
.170
.174
.177
.181
.155
.158
.162
.166
.731
.734
.738
.741
.753
.756
.760
.763
.774
.778
.781
.785
CAMSHAFT TYPE
NRX
Rated Duration @
.020” Tappet Lift
.875" Min. Dia.
CHRYSLER SPECIAL SOLIDS
These lobes are for use only in Chrysler engines with .904” tappet diameter. The “Specials” are to be used in 426
cubic inch or larger engines. Developed for the Top Fuel drag racing program, these designs offer excellent torque
and horsepower.
LOBE
NUMBER
RATED
DURATION
6129
6130
6132
6133
6131
6134
324-7
328-10
330-1
330-2
334-1
335-1
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Chrysler Special
Rated Duration @
.020” Tappet Lift
.904" Min. Dia.
@ .050”
290
296
290
292
296
300
@ .200”
200
208
200
200
203
207
106°
.176
.193
.170
.175
.186
.193
.433
.425
.410
.395
.413
.438
110°
.161
.178
.154
.160
.171
.177
1.5
.650
.638
.615
.592
.620
.657
1.6
.693
.680
.656
.632
.660
.700
1.7
.736
.723
.697
.671
.702
.745
MP SOLIDS
The MP Series uses a design similar to the TL Series, except these have more area due to being designed with
more velocity for a .904” minimum tappet diameter. They are very good in Late Model Stock applications where
rules allow the larger tappet diameter. Note: Cams using these lobes should have provisions for increased oiling.
Please consult with our tech representative.
LOBE
NUMBER
RATED
DURATION
6610
6611
6612
274
284
288
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.345
.355
.365
106°
.108
.115
.123
110°
.093
.100
.108
0
5
CAMSHAFT TYPE
MP
Rated Duration @
.020” Tappet Lift
.904" Min. Dia.
34
1
.
@ .050”
247
251
256
8
0
0
@ .200”
162
166
171
.
9
9
9
.
8
3
1.5
.518
.533
.548
1.6
.552
.568
.584
1.7
.587
.604
.621
SOLID FLAT TAPPET
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
6580
6581
6582
6579
6583
6584
6585
6586
6587
6588
6589
6590
6591
261
265
269
271
273
277
281
285
289
293
297
301
305
@ .050” @ .200”
235
153
239
157
243
161
245
163
247
165
251
169
255
173
259
177
263
181
267
185
271
189
275
193
279
197
.350
.358
.366
.370
.373
.380
.388
.396
.404
.411
.418
.426
.433
TAPPET LIFT @
TDC
SOLID FLAT TAPPET
MM SOLIDS
MM solids are similar to the MH and MHF series, but have even more velocity and more area to take complete
advantage of the larger .904" Chrysler/Mopar lifter. Please consult with a COMP Cams® CAM HELP® technician or
one of our Engine Builder Sales personnel before using these profiles to reduce the risk from improper component
selection. Note: Cams using these lobes should have provisions for increased oiling. Please consult with our tech
representative.
CAMSHAFT TYPE
MM
Rated Duration @
.020” Tappet Lift
.904" Min. Dia.
CHEAP
INSURANCE
106°
.089
.096
.104
.108
.111
.119
.126
.134
.142
.149
.157
.164
.172
110°
.075
.082
.089
.093
.096
.104
.111
.119
.126
.134
.142
.149
.157
1.5
.525
.537
.549
.554
.560
.570
.582
.594
.606
.617
.627
.639
.650
1.6
.560
.573
.586
.591
.597
.608
.621
.634
.646
.658
.669
.682
.693
1.7
.595
.609
.622
.628
.634
.646
.660
.673
.687
.699
.711
.724
.736
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• Designed to yield added protection during break-in
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A
M
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.
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O
M
35
SOLID ROLLER
SOLID ROLLER
HIGH ENERGY™ STREET ROLLER
Designed specifically for street use, these street rollers offer unique approach ramps, allowing the use of lower seat
pressure to assure long life. These lobes are very "throaty" because of the opening and closing ramp designs.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
1496
4002
1498
268HER-2
272HER-2
276HER-2
@ .050”
224
228
232
1474
1476
4220
4221
280HER-2
288HER-4
300HER-2
308HER-4
236
244
255
262
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
141
144
148
.350
.350
.350
106°
.068
.073
.078
110°
.056
.061
.066
1.5
.525
.525
.525
1.6
.560
.560
.560
1.7
.595
.595
.595
152
158
170
176
.366
.366
.383
.383
.085
.098
.119
.130
.072
.084
.104
.115
.550
.550
.575
.575
.586
.586
.613
.613
.623
.623
.651
.651
CAMSHAFT TYPE
High Energy™
Street Roller
Rated Duration @
.015” Tappet Lift
XTREME ENERGY™ STREET ROLLER
This newest addition to the Xtreme family of lobes delivers the responsiveness, torque and reliability only available
with COMP Cams® Xtreme designs, coupled with the high rpm power of modern race roller designs. Our development test included Spintron® dynamics evaluations, engine dyno testing, chassis dyno testing and three Hot Rod
Power Tours. Coupled with COMP’s Endure-X™ Roller Lifters, these profiles brought street roller technology into the
new millennium.
LOBE
NUMBER
RATED
DURATION
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4850
4851
4855
4854
4852
4853
4856
4857
4858
4859
4860
4861
256XSR
262XSR
268XSR
274XSR
280XSR
286XSR
292XSR
298XSR
304XSR
310XSR
259
265
267
270
274
280
284
288
292
296
300
308
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
141
147
153
159
164
170
176
181
187
193
131
136
138
140
144
149
152
155
161
164
167
173
.360
.360
.368
.376
.380
.384
.388
.392
.398
.404
.330
.330
.330
.330
.330
.335
.335
.335
.346
.346
.346
.346
106°
.056
.066
.076
.087
.098
.110
.122
.135
.137
.159
.055
.064
.067
.070
.076
.086
.092
.099
.106
.112
.119
.132
9
9
CAMSHAFT TYPE
Standard Ratio
Xtreme Energy™
Street
Rated Duration @
.015” Tappet Lift
High Ratio Designs
Xtreme Energy™
Street
Rated Duration @
.015” Tappet Lift
36
1
.
8
@ .050”
218
224
230
236
242
248
254
260
266
272
219
225
227
230
234
240
244
248
252
256
260
268
0
0
.
9
.
0
8
110°
.045
.053
.062
.072
.083
.094
.106
.118
.130
.143
.045
.053
.055
.058
.064
.053
.079
.085
.092
.099
.105
.118
5
1.5
.540
.540
.552
.564
.570
.576
.582
.588
.597
.606
.495
.495
.495
.495
.495
.503
.503
.503
.519
.519
.519
.519
3
1.6
.576
.576
.589
.602
.608
.614
.621
.627
.637
.646
.528
.528
.528
.528
.528
.536
.536
.536
.554
.554
.554
.554
1.7
.612
.612
.626
.639
.646
.653
.660
.666
.677
.687
.561
.561
.561
.561
.561
.570
.570
.570
.588
.588
.588
.588
SOLID ROLLER
The culmination of extensive design and research, these lobes range from extra gentle to very aggressive. Included
in this group are the High Torque Roller and High Torque Oval Roller Series used in the early 80’s.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
1460
1462
1464
1465
4034
1473
1466
1492
4000
1609
285-2
286-1
295-2
295-3
295-5
296-1
296-2
302-1
305-2
305-3
@ .050”
252
250
262
262
260
260
265
265
272
270
@ .200”
164
162
174
176
170
173
180
177
186
186
.375
.392
.366
.390
.394
.393
.400
.395
.366
.418
106°
.110
.112
.128
.128
.116
.124
.137
.132
.146
.146
110°
.096
.096
.114
.113
.102
.108
.121
.116
.132
.130
1.5
.563
.588
.549
.585
.591
.590
.600
.593
.549
.627
1.6
.600
.627
.586
.624
.630
.629
.640
.632
.586
.669
1.7
.638
.666
.622
.663
.670
.668
.680
.672
.622
.711
4035
4059
4242
1611
1612
1613
1479
4066
4244
1617
1628
1658
1620
1486
4025
1469
4062
4087
1630
1394
1659
1639
1619
1392
305-4
306-1
306-2
308-2
309-2
310-2
312-2
316-1
316-2
316-3
324-4
320-1
320-2
321-4
322-1
322-2
323-5
324-2
325-4
327-5
328-1
329-5
319-2
319-3
272
270
273
275
276
280
279
276
284
282
287
281
288
284
282
288
287
286
288
290
286
292
285
285
184
186
190
191
196
195
197
186
200
200
201
196
201
196
193
204
202
197
198
204
192
200
202
200
.394
.400
.416
.452
.420
.545
.425
.413
.433
.454
.423
.450
.434
.440
.427
.458
.460
.454
.440
.460
.413
.440
.456
.460
.151
.145
.153
.156
.163
.165
.167
.150
.176
.173
.174
.164
.179
.170
.163
.185
.180
.171
.176
.179
.163
.177
.179
.173
.135
.130
.137
.139
.146
.147
.150
.134
.159
.156
.159
.148
.163
.154
.147
.165
.164
.155
.160
.163
.145
.161
.161
.156
.591
.600
.624
.678
.630
.818
.638
.620
.650
.681
.635
.675
.651
.660
.641
.687
.690
.681
.660
.690
.620
.660
.684
.690
.630
.640
.666
.723
.672
.872
.680
.661
.693
.726
.677
.720
.694
.704
.683
.733
.736
.726
.704
.736
.661
.704
.730
.736
.670
.680
.707
.768
.714
.927
.723
.702
.736
.772
.719
.765
.738
.748
.726
.779
.782
.772
.748
.782
.702
.748
.775
.782
O
P
CAMSHAFT TYPE
Base Design
Rated Duration @
.020” Tappet Lift
W
W
W
.
C
M
C
A
M
S
.
C
O
M
SOLID ROLLER
BASE DESIGN ROLLERS
37
SOLID ROLLER
SOLID ROLLER
HI-TECH™ ROLLERS
These designs are typically used with high rocker ratios (1.65-1.75) and efficient cylinder heads. The Hi-Tech™ .400”
is great for Big Block Chevrolets, Big Block Fords and Clevelands. Due to their lower acceleration rates, these lobe
designs are also very well suited for small block high endurance applications.
LOBE
NUMBER
RATED
DURATION
1461
4210
4211
4058
288-7
296-7
306-7
316-7
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.400
.400
.400
.400
106°
.116
.129
.146
.161
CAMSHAFT TYPE
Hi-Tech™
Rated Duration @
.020” Tappet Lift
@ .050”
251
259
269
279
@ .200”
167
175
182
190
110°
.102
.114
.131
.146
1.5
.600
.600
.600
.600
1.6
.640
.640
.640
.640
1.7
.680
.680
.680
.680
HI-TORQUE .406" ROLLERS
The Hi-Torque .406” , when coupled with higher rocker ratios (1.7 and up), results in very aggressive valve motion.
These provide excellent torque curves and great responsiveness. The smaller lobes are great for restricted
applications, and the larger lobes provide stronger alternatives to the Hi-Torque .440" profiles when coupled with
higher rocker ratios to achieve equivalent valve lift.
LOBE
NUMBER
RATED
DURATION
4600
4601
1477
4209
4206
4207
4208
4205
1481
280-6
284-6
288-6
292-6
296-4
300-7
304-7
308-7
312-14
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.406
.406
.406
.406
.406
.406
.406
.406
.406
106°
.106
.114
.122
.131
.139
.148
.156
.164
.173
CAMSHAFT TYPE
Hi-Torque .406"
Rated Duration @
.020” Tappet Lift
@ .050”
248
252
256
260
264
268
272
276
280
@ .200”
169
172
176
180
184
188
192
195
199
110°
.091
.098
.106
.114
.122
.131
.136
.147
.156
1.5
.609
.609
.609
.609
.609
.609
.609
.609
.609
1.6
.650
.650
.650
.650
.650
.650
.650
.650
.650
1.7
.690
.690
.690
.690
.690
.690
.690
.690
.690
HI-TECH™ .420" EXHAUST ROLLERS
These designs are used primarily on the exhaust side of the motor. The Hi-Tech™ .420“ offers controlled valve
opening, which promotes torque over broad ranges. These lobes are great for oval track cams.
LOBE
NUMBER
RATED
DURATION
4005
4007
4003
4027
4029
4023
4046
4045
4047
4019
4049
294-6
296-6
298-6
300-6
302-6
304-6
306-6
308-6
310-6
312-6
316-6
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Hi-Tech
.420” Exhaust
Rated Duration @
.020” Tappet Lift
™
38
1
.
@ .050”
256
258
260
262
264
266
268
270
272
274
278
8
0
0
@ .200”
171
173
175
177
179
180
182
183
185
187
189
.
9
106°
.117
.123
.125
.130
.133
.137
.141
.144
.148
.151
.158
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
9
9
.
0
8
110°
.103
.108
.111
.115
.117
.122
.126
.129
.133
.136
.142
5
1.5
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
3
1.6
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
1.7
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
4001
4004
4006
4009
4008
4013
4017
4015
4022
4020
4024
4018
4026
4016
4028
4030
4031
4032
284-5
286-5
288-5
290-5
292-5
294-5
296-5
298-5
300-5
302-5
304-5
306-5
308-5
310-5
312-5
314-5
316-5
318-5
@ .050” @ .200”
248
165
250
167
252
169
254
171
256
173
258
175
260
177
262
179
264
181
266
183
268
184
270
186
272
188
274
189
276
190
278
192
280
193
282
195
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
.420
SOLID ROLLER
HI-TECH™ .420" ROLLERS
The Hi-Tech™ .420” is primarily used in oval track racing with good cylinder heads. The ramp designs are easy on
valve springs yet produce good power. They are great for long rod motors. They are also popular in bracket and
marine applications where power with durability is a must. Also available in Ford Small Block and Chevy Big Block
or 50mm sizes to prevent “cam growth” in the grinding process, allowing the engine builder to have more control
over the tuning process.
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Hi-Tech™ .420”
Rated Duration @
.020” Tappet Lift
106°
.108
.112
.116
.119
.123
.127
.131
.136
.140
.143
.146
.150
.154
.157
.160
.163
.166
.170
110°
.094
.098
.101
.105
.108
.112
.116
.120
.124
.127
.130
.134
.138
.141
.144
.148
.151
.154
1.5
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
.630
1.6
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
1.7
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
.714
RT SERIES ROLLERS
The RT Series provides shorter seat timing and more area than our Hi-Tech™ .420" Series. This results in great
torque and power potential. Available in Ford Small Block and Chevy Big Block or 50mm sizes to prevent “cam
growth” in the grinding process, allowing the engine builder to have more control over the tuning process of the cam.
LOBE
NUMBER
RATED
DURATION
4121
4123
4124
4126
4127
4130
4128
4129
4131
4132
4133
4134
4135
4136
4137
4139
4138
RT274-1
RT276-2
RT278-3
RT280-1
RT282-1
RT284-1
RT286-1
RT288-1
RT290-1
RT292-1
RT294-1
RT296-1
RT298-1
RT300-1
RT302-1
RT304-1
RT308-1
W
W
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
RT Series
Rated Duration @
.020” Tappet Lift
W
.
C
@ .050”
244
246
248
250
252
254
256
258
260
262
264
266
268
270
272
274
278
O
M
@ .200”
167
169
171
173
175
177
179
181
183
185
186
189
190
191
193
195
197
P
C
.410
.412
.414
.416
.418
.421
.423
.426
.430
.430
.430
.430
.435
.435
.435
.435
.435
A
M
S
106°
.101
.105
.107
.113
.117
.120
.125
.131
.134
.140
.142
.148
.150
.154
.158
.162
.168
110°
.086
.089
.092
.097
.101
.104
.109
.114
.117
.123
.125
.130
.132
.137
.141
.144
.151
.
O
C
M
1.5
.615
.618
.621
.624
.627
.632
.635
.639
.645
.645
.645
.645
.653
.653
.653
.653
.653
1.6
.656
.659
.662
.666
.669
.674
.677
.682
.688
.688
.688
.688
.696
.696
.696
.696
.696
1.7
.697
.700
.704
.707
.711
.716
.719
.724
.731
.731
.731
.731
.740
.740
.740
.740
.740
39
SOLID ROLLER
SOLID ROLLER
NC SERIES ROLLERS
Designed with aggressive opening side of the RT Series lobe and the easier closing rate of the ever popular Hi-Tech™
-5 Series, the NC Series allows good engine speed, stability and durability. This fast open, slower closing design
works very well on the exhaust side of many applications.
LOBE
NUMBER
RATED
DURATION
4151
4152
4150
4153
4149
4145
4147
4144
4146
4143
4148
284
286
288
290
292
295
296
298
300
302
304
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
NC Series
Rated Duration @
.020” Tappet Lift
@ .050”
252
254
256
258
260
262
264
266
268
270
272
@ .200”
172
173
177
178
181
183
183
185
187
190
192
106°
.115
.117
.123
.125
.131
.138
.140
.143
.146
.153
.158
.405
.405
.415
.415
.421
.421
.421
.425
.430
.430
.430
110°
.099
.101
.107
.109
.114
.122
.123
.127
.130
.136
.141
1.5
.608
.608
.623
.623
.632
.632
.632
.638
.645
.645
.645
1.6
.648
.648
.664
.664
.674
.674
.674
.680
.688
.688
.688
1.7
.689
.689
.706
.706
.716
.716
.716
.723
.731
.731
.731
RZ SERIES ROLLERS
The RZ Rollers are designed for high rpm circle track, drag race and endurance applications that benefit from
higher lift while requiring stability and reliability. Designed for 1.6:1 to 1.8:1 rockers, these profiles incorporate the
latest developments in high rpm and high rocker ratio developments.
LOBE
NUMBER
RATED
DURATION
4260
4262
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4276
RZ293
RZ297
RZ301
RZ303
RZ305
RZ307
RZ309
RZ311
RZ313
RZ315
RZ317
RZ319
RZ321
RZ325
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
RZ Series
Rated Duration @
.020” Tappet Lift
40
1
.
8
@ .050”
260
264
268
270
272
274
276
278
280
282
284
286
288
292
0
0
@ .200”
174
178
182
184
186
188
190
192
194
196
197
199
201
205
.
9
9
106°
.122
.129
.137
.141
.145
.149
.153
.157
.161
.164
.168
.172
.176
.183
.428
.430
.432
.433
.434
.435
.436
.437
.438
.439
.440
.441
.442
.444
9
.
0
8
110°
.107
.114
.122
.125
.129
.133
.137
.141
.145
.148
.152
.156
.160
.167
5
3
1.5
.643
.645
.648
.650
.651
.653
.654
.656
.657
.659
.660
.662
.663
.666
1.6
.685
.688
.691
.693
.694
.696
.698
.699
.701
.702
.704
.706
.707
.710
1.7
.728
.731
.734
.736
.738
.740
.741
.743
.745
.746
.748
.750
.751
.755
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
4294
4293
4295
4283
4286
4284
4278
4285
4287
289
291
293
295
295
297
299
301
301
@ .050”
256
258
260
262
262
264
266
268
268
4296
4279
2735
2298
303
305
315
317
270
272
282
284
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
167
171
171
171
175
174
178
178
180
.390
.400
.390
.370
.400
.375
.400
.380
.400
106°
.113
.118
.121
.124
.125
.128
.133
.135
.136
110°
.099
.103
.106
.110
.110
.113
.118
.121
.121
1.5
.585
.600
.585
.555
.600
.563
.600
.570
.600
1.6
.624
.640
.624
.592
.640
.600
.640
.608
.640
1.7
.663
.680
.663
.629
.680
.638
.680
.646
.680
181
182
194
193
.385
.380
.420
.380
.139
.143
.164
.163
.125
.128
.148
.149
.578
.570
.630
.570
.616
.608
.672
.608
.655
.646
.714
.646
SOLID ROLLER
RZ LOW LIFT ROLLERS
These lower lift versions of the RZ family work very well in high endurance applications where maximum valve lift
needs to be limited to ensure maximum valve spring life.
CAMSHAFT TYPE
RZ Low Lift
Rated Duration @
.020” Tappet Lift
RX SERIES ROLLERS
These are similar to our RT Series but are designed for a higher rpm operating range. These were developed to
allow the performance of RT designs in applications that operate well over 8400 rpm, such as the NASCAR Busch,
Craftsman Truck Series and ARCA engines. RX profiles were developed using dynamic testing to ensure stability
over 9000 rpm, even when coupled with a 1.7:1 rocker arm.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
4301
4302
4303
4304
4305
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4340
4341
286
288
290
292
294
296
298
300
302
304
306
308
310
312
314
316
318
320
322
@ .050” @ .200”
253
172
255
174
257
176
259
177
261
179
263
181
265
183
267
185
269
187
271
189
273
191
275
193
277
195
279
197
281
199
283
201
285
203
287
205
289
207
.427
.428
.429
.430
.431
.432
.433
.434
.435
.436
.437
.438
.439
.440
.440
.440
.440
.440
.440
TAPPET LIFT @
TDC
CAMSHAFT TYPE
RX Series
Rated Duration @
.020” Tappet Lift
W
W
W
.
C
O
M
P
C
A
M
S
106°
.114
.118
.122
.126
.130
.134
.139
.143
.147
.151
.155
.160
.164
.168
.172
.176
.180
.185
.189
110°
.099
.103
.107
.110
.114
.118
.122
.126
.130
.134
.138
.143
.147
.151
.155
.159
.163
.167
.172
.
O
C
M
1.5
.641
.642
.644
.645
.647
.648
.650
.651
.653
.654
.656
.657
.659
.660
.660
.660
.660
.660
.660
1.6
.683
.685
.686
.688
.690
.691
.693
.694
.696
.698
.699
.701
.702
.704
.704
.704
.704
.704
.704
1.7
.726
.728
.729
.731
.733
.734
.736
.738
.740
.741
.743
.745
.746
.748
.748
.748
.748
.748
.748
41
SOLID ROLLER
SOLID ROLLER
CR SERIES ROLLERS
The CR Series profiles are excellent for high rpm, high rocker ratio applications where good valve train components
can be used. The smaller profiles work well in restricted applications where extended life is required and the
larger profiles are excellent in high rpm open applications.
LOBE
NUMBER
RATED
DURATION
4345
4346
4347
4348
4349
4382
4383
4384
4385
4386
2486
4387
4388
2488
4389
4390
2490
4391
4682
2492
4683
4684
2494
4685
4686
4687
CR281
CR283
CR285
CR287
CR289
CR291
CR293
CR295
CR297
CR299
299
CR301
CR303
303
CR305
CR307
307
CR309
CR311
311
CR313
CR315
315
CR317
CR319
CR321
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
CR Series
Rated Duration @
.020” Tappet Lift
@ .050”
250
252
254
256
258
260
262
264
266
268
268
270
272
272
274
276
276
278
280
280
282
284
284
286
288
290
@ .200”
168
170
172
174
176
178
179
181
183
185
186
186
188
190
190
192
194
193
195
198
197
199
201
200
202
204
106°
.111
.115
.119
.123
.127
.131
.135
.139
.143
.147
.147
.150
.154
.156
.158
.161
.164
.165
.169
.172
.172
.176
.180
.180
.183
.187
.395
.395
.395
.395
.395
.395
.395
.395
.395
.395
.420
.395
.395
.420
.395
.395
.420
.395
.395
.420
.395
.395
.420
.395
.395
.395
110°
.096
.100
.104
.107
.111
.115
.119
.123
.127
.131
.131
.134
.138
.139
.142
.146
.147
.149
.153
.155
.157
.161
.163
.165
.168
.172
1.7
.672
.672
.672
.672
.672
.672
.672
.672
.672
.672
.714
.672
.672
.714
.672
.672
.714
.672
.672
.714
.672
.672
.714
.672
.672
.672
1.75
.691
.691
.691
.691
.691
.691
.691
.691
.691
.691
.735
.691
.691
.735
.691
.691
.735
.691
.691
.735
.691
.691
.735
.691
.691
.691
1.8
.711
.711
.711
.711
.711
.711
.711
.711
.711
.711
.756
.711
.711
.756
.711
.711
.756
.711
.711
.756
.711
.711
.756
.711
.711
.711
CR LIFT RULE ROLLERS
These low lift designs are based on the CR Series rollers and are specifically designed for lift rule application, such
as Hooters Cup. Typically they will be used with either 1.65:1 or 1.7:1 rocker ratios but would be stable with up
to 1.8:1 ratios.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
4427
4428
4429
4430
4431
4432
4433
4436
4438
279
283
287
291
295
299
303
275
307
@ .050”
248
252
256
260
264
268
272
244
276
@ .200”
165
168
172
175
179
182
186
161
189
.367
.367
.367
.367
.367
.367
.367
.367
.367
106°
.107
.115
.123
.130
.138
.146
.153
.100
.159
110°
.092
.100
.107
.115
.122
.130
.137
.085
.145
1.6
.587
.587
.587
.587
.587
.587
.587
.587
.587
1.65
.606
.606
.606
.606
.606
.606
.606
.606
.606
1.7
.624
.624
.624
.624
.624
.624
.624
.624
.624
4445
4447
4449
4451
283
287
291
295
252
256
260
264
168
172
175
179
.378
.378
.378
.378
.115
.123
.131
.138
.100
.107
.115
.123
.605
.605
.605
.605
.624
.624
.624
.624
.643
.643
.643
.643
CAMSHAFT TYPE
CR Lift Rule .367"
Rated Duration @
.020” Tappet Lift
CR Lift Rule .378"
Rated Duration @
.020” Tappet Lift
42
1
.
8
0
0
.
9
9
9
.
0
8
5
3
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
4814
4815
4816
4817
4818
4819
290
292
294
296
298
300
@ .050”
258
260
262
264
266
268
@ .200”
175
177
179
181
182
184
.406
.407
.408
.409
.410
.411
106°
.124
.128
.133
.137
.141
.145
110°
.110
.114
.117
.121
.125
.129
1.7
.690
.692
.694
.695
.697
.699
1.75
.711
.712
.714
.716
.718
.719
1.8
.731
.733
.734
.736
.738
.740
4820
4821
4822
4823
4824
4826
4827
302
304
306
308
310
312
314
270
272
274
276
278
280
282
186
188
190
192
194
196
198
.412
.413
.412
.416
.418
.418
.420
.149
.153
.157
.161
.165
.169
.173
.133
.137
.141
.144
.149
.152
.157
.700
.702
.700
.707
.711
.711
.714
.721
.723
.721
.728
.732
.732
.735
.742
.743
.742
.749
.752
.752
.756
SOLID ROLLER
ZT SERIES ROLLERS
The ZT rollers are a new high rocker ratio, high rpm Series designed to take advantage of new valve spring developments that allow valve lifts up to and above .750" in endurance applications. These are designed for NASCAR Busch,
Craftsman Truck, ARCA and other endurance applications that have similar rpm and lift requirements.
Recommended for use with either COMP's #26099 or #26091 springs.
TAPPET LIFT @
TDC
CAMSHAFT TYPE
ZT Series
Rated Duration @
.020” Tappet Lift
ZS SERIES ROLLERS
The ZS Rollers are a high ratio roller series for restricted applications limited to below 8400 rpm. These are very
good for applications that benefit from higher lift than the HRR series. These profiles work well with the new
generation valve springs such as COMP's #26099 and #26091. The ZS Series II are the same as the .413" lobe
lift versions except these have increasing lobe lift as the duration increases.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
4402
4404
4405
4406
4407
4408
4409
4416
4418
284
288
290
292
294
296
298
302
306
@ .050” @ .200”
254
175
258
179
260
181
262
183
264
184
266
186
268
188
272
192
276
195
.413
.413
.413
.413
.413
.413
.413
.413
.413
106°
.122
.130
.134
.139
.143
.147
.151
.159
.167
110°
.106
.114
.118
.122
.126
.130
.134
.142
.150
1.7
.702
.702
.702
.702
.702
.702
.702
.702
.702
1.75
.723
.723
.723
.723
.723
.723
.723
.723
.723
1.8
.743
.743
.743
.743
.743
.743
.743
.743
.743
2950
2952
2953
2954
2958
280
284
286
288
296
.420
.424
.426
.428
.434
.114
.122
.126
.131
.147
.098
.106
.110
.114
.130
.714
.721
.724
.728
.738
.735
.742
.746
.749
.760
.756
.763
.767
.770
.781
CAMSHAFT TYPE
ZS Series
.413" Lift
Rated Duration @
.020” Tappet Lift
ZS Series II
Rated Duration @
.020” Tappet Lift
W
W
W
.
250
254
256
258
266
C
O
M
175
179
181
183
184
P
C
A
M
S
.
C
O
M
43
SOLID ROLLER
SOLID ROLLER
TD, TJ & TJS SERIES ROLLERS
The TD designs are excellent for high ratio, four barrel 390 carb rules such as NASCAR Busch and Craftsman Truck
Series applications. The TJ's have slightly more lift but are a little smoother. The TJS's are basically the same as
the TJ's except for a slightly softer closing ramp.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
2978
2979
2980
2981
2982
4321
2983
2984
2985
4327
4328
4329
2989
288
290
292
294
296
298
300
302
304
306
308
310
312
@ .050”
258
260
262
264
266
268
270
272
274
276
278
280
282
@ .200”
176
178
180
182
184
186
188
190
192
193
195
197
199
.411
.412
.413
.414
.415
.416
.418
.420
.421
.424
.426
.428
.430
106°
.127
.131
.135
.139
.143
.147
.151
.156
.159
.163
.167
.171
.175
110°
.112
.116
.119
.123
.127
.131
.135
.139
.143
.147
.151
.155
.159
1.7
.699
.700
.702
.704
.706
.707
.711
.714
.716
.721
.724
.728
.731
1.75
.719
.721
.723
.725
.726
.728
.732
.735
.737
.742
.746
.749
.753
1.8
.740
.742
.743
.745
.747
.749
.752
.756
.758
.763
.767
.770
.774
TJ Series
Rated Duration @
.020” Tappet Lift
2962
2963
2964
2965
296
298
300
302
266
268
270
272
184
185
187
189
.420
.422
.424
.426
.143
.147
.151
.156
.127
.131
.135
.139
.714
.717
.721
.724
.735
.739
.742
.746
.756
.760
.763
.767
TJS Series
Rated Duration @
.020” Tappet Lift
2881
2882
2885
297
299
305
266
268
274
183
185
191
.419
.421
.427
.412
.146
.158
.126
.130
.142
.712
.716
.726
.733
.737
.747
.754
.758
.769
CAMSHAFT TYPE
TD Series
Rated Duration @
.020” Tappet Lift
TS SERIES ROLLERS
These are an additional series of high rocker ratio profiles that are similar to both the ZT and ZS series, but these
are designed for slightly less rocker ratio.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
4837
4838
4839
4840
295
297
299
301
@ .050” @ .200”
264
183
266
185
268
187
270
189
.422
.423
.425
.426
106°
.141
.145
.149
.153
110°
.125
.129
.133
.137
1.7
.717
.719
.723
.724
1.75
.739
.740
.744
.746
1.8
.760
.761
.765
.767
4841
4842
303
305
.427
.428
.157
.161
.141
.145
.726
.728
.747
.749
.769
.770
CAMSHAFT TYPE
TS Series
Rated Duration @
.020” Tappet Lift
44
1
.
272
274
8
0
0
191
192
.
9
9
9
.
0
8
5
3
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
4358
4359
4361
4362
4363
4364
HRR260
HRR262
HRR264
HRR266
HRR268
HRR270
@ .050”
230
232
234
236
238
240
@ .200”
152
154
156
158
160
162
.374
.377
.380
.383
.386
.389
106°
.078
.082
.085
.089
.093
.097
110°
.065
.068
.071
.075
.078
.082
1.7
.636
.641
.646
.651
.656
.661
1.75
.655
.660
.665
.670
.676
.681
1.8
.673
.679
.684
.689
.695
.700
4198
4365
4366
4199
4367
4196
4368
4370
4371
4372
4373
4374
4375
4376
4377
4378
272
HRR272
HRR274
276
HRR276
278
HRR278
HRR282
HRR284
HRR286
HRR288
HRR290
HRR292
HRR294
HRR296
HRR298
242
242
244
246
246
248
248
252
254
256
258
260
262
264
266
268
163
164
166
167
168
169
170
173
175
177
179
180
182
184
186
188
.380
.392
.396
.380
.396
.380
.396
.396
.396
.396
.396
.396
.396
.396
.396
.396
.101
.101
.105
.109
.109
.113
.113
.121
.125
.129
.133
.137
.141
.145
.149
.153
.085
.085
.089
.093
.093
.097
.097
.104
.108
.112
.116
.120
.124
.128
.133
.137
.646
.666
.673
.646
.673
.646
.673
.673
.673
.673
.673
.673
.673
.673
.673
.673
.665
.686
.693
.665
.693
.665
.693
.693
.693
.693
.693
.693
.693
.693
.693
.693
.684
.706
.713
.684
.713
.684
.713
.713
.713
.713
.713
.713
.713
.713
.713
.713
SOLID ROLLER
HIGH RATIO RESTRICTED ROLLERS
The HRR designs, when coupled with high rocker ratios, result in extremely quick valve action. 8100 rpm maximum
with light valve train. Very good in restricted applications.
CAMSHAFT TYPE
High Ratio
Restricted
Rated Duration @
.020” Tappet Lift
RP SERIES ROLLERS
The RP Rollers are a high ratio roller series for restricted applications limited to below 8400 rpm. These are based
off our latest flat tappet restrictor plate designs but have increased area as allowed with roller tappets. For use
with 1.8 to 1.95:1 rocker ratios.
LOBE
NUMBER
RATED
DURATION
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
270
272
274
276
278
280
282
284
286
288
290
292
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
RP Series
Rated Duration @
.020” Tappet Lift
W
W
W
.
@ .050”
240
242
244
246
248
250
252
254
256
258
260
262
C
O
M
@ .200”
159
161
163
165
166
168
170
172
173
175
177
179
P
C
.381
.381
.381
.381
.381
.381
.381
.381
.381
.381
.381
.381
A
M
S
106°
.093
.097
.101
.104
.108
.112
.115
.119
.123
.127
.131
.135
110°
.080
.083
.086
.090
.093
.097
.101
.104
.108
.112
.115
.119
.
O
C
M
1.8
.686
.686
.686
.686
.686
.686
.686
.686
.686
.686
.686
.686
1.85
.705
.705
.705
.705
.705
.705
.705
.705
.705
.705
.705
.705
1.9
.724
.724
.724
.724
.724
.724
.724
.724
.724
.724
.724
.724
45
SOLID ROLLER
SOLID ROLLER
SP SERIES ROLLERS
The SP Rollers are a high ratio roller series for restricted applications limited to below 8200 rpm. These lobes are
more aggressive than the RP Series and can be used successfully with lower rocker ratios. For use with 1.7 to
1.9:1 rocker ratios. Also used in some hydraulic roller applications.
LOBE
NUMBER
RATED
DURATION
1514
1515
4793
4784
4785
4788
4789
4830
4831
264
268
273
275
277
279
281
283
285
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
SP Series
Rated Duration @
.020” Tappet Lift
@ .050”
236
240
245
247
249
251
253
255
257
@ .200”
158
161
166
168
170
172
174
176
178
106°
.089
.096
.108
.112
.116
.120
.124
.128
.133
.374
.374
.378
.380
.382
.384
.386
.388
.390
110°
.074
.081
.092
.096
.100
.104
.108
.112
.116
1.7
.636
.636
.643
.646
.649
.653
.656
.660
.663
1.8
.673
.673
.680
.684
.688
.691
.695
.698
.702
1.9
.711
.711
.718
.722
.726
.730
.733
.737
.741
RC SERIES ROLLERS
The RC Rollers are designed to be faster off the seat than the RT profiles with more area than the Hi-Torque
.440" profiles. These are slightly less aggressive than the TK profiles. Very good for Sprint Car and Late Model
applications.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
4176
4178
4180
4181
4182
4183
4184
4185
4186
280
284
288
290
292
294
296
298
300
@ .050” @ .200”
250
175
254
178
258
182
260
184
262
186
264
188
266
190
268
192
270
194
.425
.425
.430
.430
.430
.430
.435
.435
.435
TAPPET LIFT @
TDC
CAMSHAFT TYPE
RC Series
Rated Duration @
.020” Tappet Lift
106°
.118
.127
.136
.140
.144
.149
.153
.158
.162
110°
.101
.110
.118
.122
.127
.131
.135
.140
.144
1.5
.638
.638
.645
.645
.645
.645
.653
.653
.653
1.6
.680
.680
.688
.688
.688
.688
.696
.696
.696
1.7
.723
.723
.731
.731
.731
.731
.740
.740
.740
TK SERIES ROLLERS
The TK Series is our most aggressive standard rocker ratio series to date. These designs get from .020" to .050"
tappet lift and back from .050" to .020" tappet lift in only 28˚. That quickness makes this series the most intense
roller profiles COMP has ever released, providing more duration at .200" and more area than comparable profiles.
Excellent for all out Sprint Car and Late Model applications. Please consult with a COMP Cams® CAM HELP®
Technician or one of our Engine Builder Sales personnel for proper component selection.
LOBE
NUMBER
RATED
DURATION
4639
4640
4641
4642
TK258
TK262
TK266
TK270
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
TK Series
Rated Duration @
.020” Tappet Lift
@ .050”
230
234
238
242
@ .200”
156
160
164
168
106°
.078
.085
.093
.101
.405
.410
.415
.420
110°
.064
.071
.078
.085
1.5
.608
.615
.623
.630
1.6
.648
.656
.664
.672
1.7
.689
.697
.706
.714
46
1
.
8
0
0
.
9
9
9
.
0
8
5
3
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
4643
TK274
@ .050”
246
@ .200”
172
.425
106°
.109
110°
.093
1.5
.638
1.6
.680
1.7
.723
TK Series
Rated Duration @
.020” Tappet Lift
4609
4610
4611
4612
4613
4614
4572
4615
4573
4616
4574
4617
4575
4618
4576
4619
4620
4621
4622
4623
4624
4625
4627
4628
TK277
TK279
TK281
TK283
TK285
TK287
TK289-420
TK289
TK291-420
TK291
TK293-420
TK293
TK295-420
TK295
TK297-420
TK297
TK299
TK301
TK303
TK305
TK307
TK309
TK311
TK313
249
251
253
255
257
259
261
261
263
265
265
265
267
267
269
269
271
273
275
277
279
281
283
285
175
177
179
180
182
184
184
186
186
188
188
190
190
191
191
193
195
197
199
201
202
204
206
208
.430
.430
.430
.430
.430
.430
.420
.430
.420
.430
.420
.430
.420
.430
.420
.430
.430
.430
.430
.430
.430
.430
.430
.430
.118
.122
.127
.131
.135
.140
.147
.144
.149
.149
.151
.153
.155
.157
.159
.162
.166
.170
.174
.178
.183
.187
.191
.195
.101
.105
.109
.114
.118
.122
.129
.126
.131
.131
.134
.135
.138
.140
.142
.144
.148
.154
.157
.161
.165
.169
.173
.178
.645
.645
.645
.645
.645
.645
.630
.645
.630
.645
.630
.645
.630
.645
.630
.645
.645
.645
.645
.645
.645
.645
.645
.645
.688
.688
.688
.688
.688
.688
.672
.688
.672
.688
.672
.688
.672
.688
.672
.688
.688
.688
.688
.688
.688
.688
.688
.688
.731
.731
.731
.731
.731
.731
.714
.731
.714
.731
.714
.731
.714
.731
.714
.731
.731
.731
.731
.731
.731
.731
.731
.731
TK Series - .455"
Rated Duration @
.020” Tappet Lift
1.948" or Larger
Journals Only
1528
1530
1532
1534
273
277
281
285
245
249
253
257
172
176
179
183
.455
.455
.455
.455
.109
.118
.127
.135
.093
.101
.109
.118
.683
.683
.683
.683
.728
.728
.728
.728
.774
.774
.774
.774
1536
1538
1540
1542
289
293
297
301
261
265
269
273
187
190
194
198
.455
.455
.455
.455
.144
.153
.162
.170
.126
.135
.144
.154
.683
.683
.683
.683
.728
.728
.728
.728
.774
.774
.774
.774
CAMSHAFT TYPE
SOLID ROLLER
SP-TK HI-LIFT ROLLERS
These higher lift designs are based on the TK .455" Series rollers but have faster opening side velocities and more
lobe lift. For use with 1.948" or larger journals only.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
1519
1520
1521
1522
1523
1524
276
280
284
288
292
296
@ .050” @ .200”
248
175
252
179
256
183
260
187
264
190
268
194
.470
.470
.470
.470
.470
.470
TAPPET LIFT @
TDC
CAMSHAFT TYPE
SP-TK Hi-Lift
Rated Duration @
.020” Tappet Lift
1.948" or Larger
Journals Only
W
W
W
.
C
O
M
P
C
A
M
106°
.114
.123
.131
.140
.149
.158
S
.
C
110°
.097
.105
.113
.122
.131
.140
O
M
1.5
.705
.705
.705
.705
.705
.705
1.6
.752
.752
.752
.752
.752
.752
1.7
.799
.799
.799
.799
.799
.799
47
SOLID ROLLER
SOLID ROLLER
TK LIFT RULE ROLLERS
These low lift designs are based on the TK Series rollers and are specifically designed for lift rule applications, such
as Hooters Cup. Typically they will be used with 1.8:1 ratios.
LOBE
NUMBER
RATED
DURATION
1416
1417
1418
1419
4421
4422
4423
4424
1427
1429
263
267
271
275
279
283
287
291
295
299
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
TK Lift Rule .347"
Rated Duration @
.020” Tappet Lift
@ .050”
235
239
243
247
251
255
259
263
267
271
@ .200”
154
158
161
165
168
171
174
177
180
184
106°
.089
.096
.104
.111
.119
.126
.134
.141
.147
.154
.347
.347
.347
.347
.347
.347
.347
.347
.347
.347
110°
.074
.081
.089
.096
.104
.111
.118
.126
.133
.140
1.75
.607
.607
.607
.607
.607
.607
.607
.607
.607
.607
1.8
.625
.625
.625
.625
.625
.625
.625
.625
.625
.625
1.85
.642
.642
.642
.642
.642
.642
.642
.642
.642
.642
HI-TECH™ .440" INTAKE ROLLERS
These lobes are to be used in medium to large cubic inch engines. The Hi-Tech™ .440” are designed with ported
cylinder heads in mind and are easy on springs. These designs are very stable at high engine speeds.
LOBE
NUMBER
RATED
DURATION
3207
4076
4119
4077
4078
4079
4080
4081
4082
296-16
301-6
303-6
305-6
309-6
313-6
317-6
321-6
325-6
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Hi-Tech™
.440” Intake
Rated Duration @
.020” Tappet Lift
@ .050”
260
264
266
268
272
276
280
284
287
@ .200”
178
181
183
184
187
189
192
195
198
106°
.132
.141
.144
.147
.153
.157
.161
.168
.173
.440
.440
.440
.440
.440
.440
.440
.440
.440
110°
.116
.125
.129
.132
.137
.142
.146
.153
.158
1.5
.660
.660
.660
.660
.660
.660
.660
.660
.660
1.6
.704
.704
.704
.704
.704
.704
.704
.704
.704
1.7
.748
.748
.748
.748
.748
.748
.748
.748
.748
These designs are very aggressive and can be used with a variety of rocker ratios. Smaller designs work well in oval
track motors and larger designs work in drag racing applications. The Hi-Torque .440” designs are stable to
8200+ rpm.
LOBE
NUMBER
RATED
DURATION
4217
4216
4240
4241
4243
4245
4252
4253
4213
4214
4254
278-8
280-8
284-8
288-8
292-8
296-8
300-8
304-8
308-8
312-8
316-8
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Hi-Torque .440"
Rated Duration @
.020” Tappet Lift
48
1
.
8
@ .050”
250
252
256
260
264
268
272
276
280
284
288
0
0
@ .200”
174
176
178
182
186
190
194
197
201
205
210
.
9
9
106°
.115
.119
.122
.131
.140
.149
.157
.177
.185
.191
.198
.440
.440
.440
.440
.440
.440
.440
.440
.440
.440
.440
9
.
0
8
110°
.099
.102
.105
.114
.123
.131
.139
.160
.167
.174
.180
5
3
1.5
.660
.660
.660
.660
.660
.660
.660
.660
.660
.660
.660
1.6
.704
.704
.704
.704
.704
.704
.704
.704
.704
.704
.704
1.7
.748
.748
.748
.748
.748
.748
.748
.748
.748
.748
.748
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
1393
4075
1395
319-7
323-7
327-7
DURATION IN
DEGREES
LOBE
LIFT
They are less
TAPPET LIFT @
TDC
SOLID ROLLER
The Hi-Torque .460" is primarily used in drag racing applications with or without ported heads.
aggressive than the Hi-Torque .440" designs.
CAMSHAFT TYPE
Hi-Torque .460"
Rated Duration @
.020” Tappet Lift
@ .050”
285
287
290
@ .200”
200
202
205
106°
.180
.185
.192
.460
.460
.460
110°
.163
.169
.176
1.5
.690
.690
.690
1.6
.736
.736
.736
1.7
.782
.782
.782
HI-TORQUE .420" EXHAUST ROLLERS
The Hi-Torque .420” Exhaust is primarily used in drag racing applications with or without ported heads and can be
used with a variety of rocker ratios.
LOBE
NUMBER
RATED
DURATION
1660
1480
4070
4065
307-4
311-4
317-2
323-6
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Hi-Torque
.420” Exhaust
Rated Duration @
.020” Tappet Lift
@ .050”
275
279
283
288
@ .200”
192
194
197
200
106°
.165
.173
.172
.177
.420
.420
.420
.420
110°
.152
.156
.156
.161
1.5
.630
.630
.630
.630
1.6
.672
.672
.672
.672
1.7
.714
.714
.714
.714
HIGH RATIO - HIGH RPM SUPER STOCK ROLLERS
These profiles are designed to increase high rpm performance in NHRA Super Stock applications when coupled with
a 1.8:1 to 2.0:1 rocker arm. Optimized for the higher rpm capability of the latest Super Stock cylinder heads.
LOBE
NUMBER
RATED
DURATION
4480
4482
4483
4484
4485
4486
298
302
304
306
308
310
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
High Ratio-High
RPM Super Stock
Rated Duration @
.020” Tappet Lift
W
W
W
.
@ .050”
266
270
272
274
276
278
C
O
M
@ .200”
182
186
188
189
191
193
P
C
A
106°
.136
.143
.147
.151
.155
.160
.414
.414
.414
.414
.416
.418
M
S
.
C
110°
.119
.127
.131
.135
.139
.143
O
M
1.8
.745
.745
.745
.745
.749
.752
1.9
.787
.787
.787
.787
.790
.794
2.0
.828
.828
.828
.828
.832
.836
49
SOLID ROLLER
SOLID ROLLER
HXL SERIES ROLLERS
The HXL Series rollers are intended for high lift applications that require maximum torque and extended rpm. These
fall somewhere in between the RX and TK Series in terms of aggressiveness but provide more lobe lift. They are
closest to the High Torque .440" lobes but have incorporated our latest profile advancements that should allow
higher engine speeds and improved dynamics.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
2222
2223
2224
2225
2226
2227
281
283
285
287
289
291
@ .050”
252
254
256
258
260
262
@ .200”
175
177
179
181
183
185
.434
.436
.438
.440
.442
.444
106°
.118
.122
.126
.130
.135
.139
110°
.102
.106
.110
.114
.118
.122
1.6
.694
.698
.701
.704
.707
.710
1.7
.738
.741
.745
.748
.751
.755
1.8
.781
.785
.788
.792
.796
.799
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2208
2209
2210
293
295
297
299
301
303
305
307
309
311
313
315
317
264
266
268
270
272
274
276
278
280
282
284
286
288
187
189
191
193
195
197
199
201
202
204
206
208
210
.446
.448
.450
.452
.454
.454
.454
.454
.454
.454
.454
.454
.454
.144
.148
.152
.157
.161
.166
.170
.174
.178
.183
.187
.191
.195
.126
.130
.135
.139
.143
.148
.152
.156
.161
.165
.169
.173
.177
.714
.717
.720
.723
.726
.726
.726
.726
.726
.726
.726
.726
.726
.758
.762
.765
.768
.772
.772
.772
.772
.772
.772
.772
.772
.772
.803
.806
.810
.814
.817
.817
.817
.817
.817
.817
.817
.817
.817
CAMSHAFT TYPE
HXL Series
Rated Duration @
.020” Tappet Lift
HIGH RPM INTAKE ROLLERS
The High RPM Intake Roller is used on highly modified - high rpm drag race motors. They are used primarily with
ported heads that incorporate lightweight valves and high spring loads.
LOBE
NUMBER
RATED
DURATION
1301
1309
1302
1030
1046
4107
4068
4085
4091
4063
1490
4118
318-6
324-7
324-6
324-30
326-30
328-6
328-5
328-11
330-10
332-7
332-6
336-4
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
CAMSHAFT TYPE
High RPM Intake
Rated Duration @
.020” Tappet Lift
50
1
.
8
@ .050”
278
284
284
288
293
288
288
288
287
292
292
296
0
0
@ .200”
195
198
200
207
211
201
203
203
203
204
206
209
.
9
106°
.161
.171
.172
.188
.198
.177
.180
.179
.180
.184
.188
.195
.465
.456
.471
.510
.510
.456
.476
.483
.480
.456
.476
.476
9
9
.
0
8
110°
.144
.154
.155
.171
.180
.161
.163
.162
.163
.167
.171
.178
5
1.5
.698
.684
.706
.765
.765
.684
.714
.724
.720
.684
.714
.714
3
1.6
.744
.730
.753
.816
.816
.730
.761
.773
.768
.730
.761
.761
1.7
.791
.775
.800
.867
.867
.775
.810
.821
.816
.775
.810
.810
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
1840
1842
1844
1846
307
311
315
319
@ .050” @ .200”
274
194
278
198
282
201
286
205
.460
.460
.460
.460
SOLID ROLLER
REV DRAG RACE INTAKE ROLLERS
The REV Drag Race Rollers use some of the latest ramp designs to provide excellent torque, power and high speed
stability for high rpm competition drag race applications. When coupled with high rocker ratios, these profiles
provide more area than comparable standard ratio designs.
TAPPET LIFT @
TDC
CAMSHAFT TYPE
Intake
REV Drag Race
Rated Duration @
.020” Tappet Lift
106°
.160
.169
.177
.186
110°
.143
.151
.160
.168
1.6
.736
.736
.736
.736
1.7
.782
.782
.782
.782
1.8
.828
.828
.828
.828
RX DRAG RACE INTAKE ROLLERS
The RX Drag Race Rollers are similar to the REV designs, except they have more lift and use sections of our
popular RX ramp. These designs have proven to provide an outstanding combination of high rpm power and
stability while not sacrificing torque. Excellent in applications from high end bracket engines to Comp Eliminator
and Pro Stock.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
1806
1808
1810
294
298
302
@ .050”
261
265
269
@ .200”
181
185
189
.470
.470
.470
106°
.131
.139
.148
110°
.114
.122
.131
1.6
.752
.752
.752
1.7
.799
.799
.799
1.8
.846
.846
.846
1812
1814
1816
1817
1718
1820
306
310
314
316
318
322
273
277
281
283
285
289
193
196
200
202
204
208
.470
.470
.470
.470
.470
.470
.156
.165
.174
.178
.183
.191
.139
.147
.156
.160
.165
.173
.752
.752
.752
.752
.752
.752
.799
.799
.799
.799
.799
.799
.846
.846
.846
.846
.846
.846
1826
1828
1829
1719
1832
310
314
316
318
322
277
281
283
285
289
197
201
203
204
208
.484
.484
.484
.484
.484
.165
.174
.179
.183
.191
.148
.156
.161
.165
.174
.774
.774
.774
.774
.774
.823
.823
.823
.823
.823
.871
.871
.871
.871
.871
CAMSHAFT TYPE
Intake
RX Drag Race
.470" Lobe Lift
Rated Duration
@ .020” Tappet Lift
Intake
RX Drag Race
.484" Lobe Lift
Rated Duration
@ .020” Tappet Lift
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
51
SOLID ROLLER
SOLID ROLLER
RX PRO DRAG RACE INTAKE ROLLERS
These use the same ramps as the RX Drag Race .484" lobes but have more lift for all out applications.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
RX Pro Drag
Race Intake
Rated Duration @
.020” Tappet Lift
1722
1724
1726
1727
1728
1729
308
310
312
314
316
318
@ .050”
275
277
279
281
283
285
RX Pro Drag
Race Intake
.515" Lobe Lift
Rated Duration @
.020” Tappet Lift
1742
1743
1744
1736
1745
1737
1746
1747
1748
1749
310
312
314
316
318
320
322
326
330
334
277
279
281
283
285
287
289
293
297
301
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
195
197
199
201
203
205
.488
.491
.492
.493
.496
.497
106°
.161
.165
.170
.175
.180
.184
110°
.143
.148
.152
.156
.160
.165
1.6
.781
.786
.787
.789
.794
.795
1.7
.830
.835
.836
.838
.843
.845
1.8
.878
.884
.886
.887
.893
.895
197
199
201
203
205
207
209
213
217
220
.515
.515
.515
.515
.515
.515
.515
.515
.515
.515
.166
.170
.175
.180
.184
.189
.193
.202
.211
.220
.148
.152
.157
.161
.166
.170
.175
.184
.192
.201
.824
.824
.824
.824
.824
.824
.824
.824
.824
.824
.876
.876
.876
.876
.876
.876
.876
.876
.876
.876
.927
.927
.927
.927
.927
.927
.927
.927
.927
.927
CAMSHAFT TYPE
DR PRO DRAG RACE INTAKE ROLLERS
The DR Pro Drag lobes are more aggressive than the RX Pro Drag lobes. They are used in professional class drag
racing or similar applications and are not recommended for use above 10,000 rpm. These use our latest design
techniques to provide excellent area and improved dynamics over similar profiles.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
1912
1914
1924
1925
1926
1927
1928
1929
1930
301
305
307
309
311
313
315
317
319
@ .050”
270
274
276
278
280
282
284
286
288
1931
1932
1933
1934
321
323
325
327
290
292
294
296
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
193
197
199
201
203
205
207
209
211
.507
.509
.520
.521
.521
.522
.523
.524
.525
106°
.155
.164
.169
.173
.178
.183
.188
.193
.198
110°
.137
.146
.150
.155
.159
.164
.169
.173
.178
1.7
.862
.865
.884
.886
.886
.887
.889
.891
.893
1.8
.913
.916
.936
.938
.938
.940
.941
.943
.945
1.9
.963
.967
.988
.990
.990
.992
.994
.996
.998
213
215
217
219
.526
.527
.528
.529
.202
.207
.212
.217
.183
.188
.192
.197
.894
.896
.898
.899
.947
.949
.950
.952
.999
1.001
1.003
1.005
CAMSHAFT TYPE
DR Pro Drag
Race Intake
Rated Duration @
.020” Tappet Lift
52
1
.
8
0
0
.
9
9
9
.
0
8
5
3
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
1372
1373
1374
1375
1376
1377
TS309
TS311
TS313
TS315
TS317
TS319
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.535
.537
.539
.541
.543
.545
106°
.176
.181
.186
.191
.196
.201
SOLID ROLLER
TS PRO SERIES ROLLERS
The TS PRO series is our most aggressive Pro Stock Series to date with faster ramps than the DR Drag Series.
These designs get from .020" to .050" tappet lift and back in only 30˚, resulting in the quickest drag race rollers
COMP Cams® has released. Excellent for Pro Stock style drag racing applications.
CAMSHAFT TYPE
TS PRO Series
Rated Duration @
.020” Tappet Lift
@ .050”
278
280
282
284
286
288
@ .200”
202
204
206
208
210
212
110°
.157
.162
.167
.172
.176
.181
1.7
.910
.913
.916
.920
.923
.927
1.8
.963
.967
.970
.974
.977
.981
1.9
1.017
1.020
1.024
1.028
1.032
1.036
CE DRAG RACE INTAKE ROLLERS
The CE Drag Race Intake profiles are intended for very large port, high flow cylinder head applications. They work
well in the high rpm range where Comp Eliminator and similar high rpm small displacement engines operate.
LOBE
NUMBER
RATED
DURATION
1286
1288
1295
1260
1278
1268
1271
1272
310
314
316
318
318
320
320
322
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.484
.484
.484
.474
.484
.476
.484
.478
106°
.154
.162
.166
.160
.170
.165
.174
.169
CAMSHAFT TYPE
CE Drag
Race Intake
Rated Duration @
.020” Tappet Lift
@ .050”
274
278
280
282
282
284
284
286
@ .200”
189
192
194
194
196
196
198
198
110°
.138
.146
.150
.144
.153
.148
.157
.152
1.6
.774
.774
.774
.758
.774
.762
.774
.765
1.7
.823
.823
.823
.806
.823
.809
.823
.813
1.8
.871
.871
.871
.853
.871
.857
.871
.860
DASH 31 ROLLERS
The Dash 31 rollers are a more aggressive cousin of the original -30 lobes popular in Pro Stock in the early 90's.
These have been used successfully in Pro Stock but are preferred for use in applications operating below 9000 rpm.
These profiles result in excellent torque and make very good power up to the limiting speed of the valve train.
LOBE
NUMBER
RATED
DURATION
1186
1188
1176
1180
306-31
308-31
310-31
312-31
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.520
.520
.520
.520
106°
.166
.171
.176
.181
CAMSHAFT TYPE
Dash 31
Rated Duration @
.020” Tappet Lift
W
W
W
.
C
@ .050”
275
277
279
281
@ .200”
198
200
202
204
O
P
M
C
A
M
S
.
C
110°
.147
.152
.157
.162
O
M
1.6
.832
.832
.832
.832
1.7
.884
.884
.884
.884
1.8
.936
.936
.936
.936
53
SOLID ROLLER
SOLID ROLLER
MOUNTAIN MOTOR ROLLERS
These are assorted intake profiles that have been developed for large cubic inch, blown, and/or nitrous applications
that respond favorably to more area and are not required to run over 9000 rpm. These have been used with high
rocker ratios to result in over 1.000" valve lift in lower rpm applications.
LOBE
NUMBER
RATED
DURATION
1027
1028
1240
322
326
324
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.517
.525
.520
106°
.206
.216
.201
CAMSHAFT TYPE
Mountain Motor
Rated Duration @
.020” Tappet Lift
@ .050”
292
296
294
@ .200”
214
218
214
110°
.187
.197
.182
1.7
.879
.893
.884
1.8
.931
.945
.936
1.9
.982
.998
.988
HIGH RPM EXHAUST ROLLERS
These lobes are used on the exhaust side of highly modified - high rpm race engines. The cylinder head efficiency
directly determines the design used.
LOBE
NUMBER
RATED
DURATION
4050
4067
4074
1495
4055
1484
1320
1485
4247
1487
1306
1489
4051
4064
1494
4052
4053
1152
4056
4057
319-1
322-3
326-4
328-2
330-1
330-5
332-2
334-3
336-5
338-2
340-3
342-2
342-3
344-3
344-4
344-5
348-1
352-1
356-5
360-5
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.400
.420
.420
.427
.420
.420
.440
.420
.440
.420
.440
.420
.460
.470
.440
.460
.460
.477
.480
.480
106°
.152
.160
.166
.181
.168
.173
.182
.179
.188
.185
.193
.192
.198
.207
.201
.207
.212
.222
.231
.238
CAMSHAFT TYPE
High RPM Exhaust
Rated Duration @
.020” Tappet Lift
54
1
.
@ .050”
280
284
288
291
292
292
292
296
296
300
300
302
302
304
304
304
308
312
316
320
8
0
0
@ .200”
185
190
194
222
196
196
203
200
205
204
208
207
210
214
211
214
217
222
227
230
.
9
9
9
.
0
110°
.137
.145
.151
.165
.152
.158
.166
.165
.172
.171
.177
.177
.182
.190
.185
.190
.195
.205
.214
.221
8
5
1.5
.600
.630
.630
.640
.630
.630
.660
.630
.660
.630
.660
.630
.690
.705
.660
.690
.690
.715
.720
.720
3
1.6
.640
.672
.672
.683
.672
.672
.704
.672
.704
.672
.704
.672
.736
.752
.704
.736
.736
.765
.768
.768
1.7
.680
.714
.714
.725
.714
.714
.748
.714
.748
.714
.748
.714
.782
.799
.748
.782
.782
.810
.816
.816
SOLID ROLLER
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
1285
1261
1287
1291
1263
1289
1269
333
335
335
337
339
339
341
@ .050”
292
294
294
296
298
298
300
1293
1273
341
343
300
302
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
196
198
198
200
201
202
203
.460
.446
.460
.460
.446
.460
.448
106°
.167
.171
.171
.175
.179
.179
.183
110°
.152
.156
.156
.160
.163
.163
.167
1.6
.736
.714
.736
.736
.714
.736
.717
1.7
.782
.758
.782
.782
.758
.782
.762
1.8
.828
.803
.828
.828
.803
.828
.806
203
205
.460
.450
.183
.187
.167
.171
.736
.720
.782
.765
.828
.810
SOLID ROLLER
JX DRAG RACE EXHAUST ROLLERS
The JX Drag Race Exhaust profiles are good complements to either the CE, REV or RX intake designs. They are
intended for very large port, high flow cylinder head applications and work well in the high rpm range where Comp
Eliminator and similar high rpm small displacement engines operate.
CAMSHAFT TYPE
JX Drag
Race Exhaust
Rated Duration @
.020” Tappet Lift
XCX DRAG RACE EXHAUST ROLLERS
The XCX Series rollers provide state-of-the-art ramp designs with the ramp characteristics required to decrease
pumping losses and allow exhaust gases from overlap to provide signal to accelerate the intake charge into the
cylinder in large port, drag race applications. These modern designs are very stable and respond well to rocker
ratio increases.
LOBE
NUMBER
RATED
DURATION
DURATION IN
DEGREES
XCX Drag
Race Exhaust
Rated Duration @
.020” Tappet Lift
1850
1960
1860
1962
1862
1964
1864
1966
1866
1968
1868
320
324
326
328
330
332
334
336
338
340
342
@ .050”
282
286
288
290
292
294
296
298
300
302
304
XCX Pro Drag
Race Exhaust
Rated Duration @
.020” Tappet Lift
1871
1872
1873
1874
1875
1876
1877
1878
1879
330
332
334
336
338
340
342
344
346
292
294
296
298
300
302
304
306
308
LOBE
LIFT
TAPPET LIFT @
TDC
@ .200”
194
198
200
202
204
206
208
210
212
214
216
.460
.450
.470
.450
.470
.450
.470
.450
.470
.450
.470
106°
.162
.170
.175
.179
.183
.187
.192
.195
.200
.203
.209
110°
.146
.154
.158
.162
.166
.170
.175
.178
.183
.186
.191
1.6
.736
.720
.752
.720
.752
.720
.752
.720
.752
.720
.752
1.7
.782
.765
.799
.765
.799
.765
.799
.765
.799
.765
.799
1.8
.828
.810
.846
.810
.846
.810
.846
.810
.846
.810
.846
205
207
209
211
213
215
217
219
221
.500
.502
.504
.506
.508
.510
.512
.514
.516
.184
.188
.193
.197
.202
.206
.211
.215
.220
.167
.171
.175
.180
.184
.188
.193
.197
.202
.800
.803
.806
.810
.813
.816
.819
.822
.826
.850
.853
.857
.860
.864
.867
.870
.874
.877
.900
.904
.907
.911
.914
.918
.922
.925
.929
CAMSHAFT TYPE
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
55
SOLID ROLLER
SOLID ROLLER
XJX EXHAUST DRAG RACE ROLLERS
The XJX Drag Race lobes are like the XCX but with higher acceleration rates, more lift, and more area under the
curve. The asymetric design with higher opening acceleration helps move more exhaust gas at bottom dead
center, reducing losses as the piston comes up, driving the remaining exhaust from the cylinder. These profiles are
designed for very stiff valve train systems with 60mm journals and larger, .850" diameter roller lifter heels.
LOBE
NUMBER
RATED
DURATION
1680
1681
1682
1683
1684
1685
1686
334
336
338
340
342
344
346
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.538
.540
.542
.544
.546
.548
.550
106°
.204
.209
.214
.219
.224
.229
.234
CAMSHAFT TYPE
XJX Exhaust
Drag Race
Rated Duration @
.020” Tappet Lift
@ .050”
296
298
300
302
304
306
308
@ .200”
214
216
218
220
222
224
226
110°
.184
.189
.194
.199
.204
.209
.214
1.6
.861
.864
.867
.870
.874
.877
.880
1.7
.915
.918
.921
.925
.928
.932
.935
1.8
.968
.972
.976
.979
.983
.986
.990
PRO MOD EXHAUST ROLLERS
The Pro Mod Exhaust Series is very similar to the original High RPM Exhaust Series but with higher lifts and larger
durations. These are excellent for either Mountain Motors or Pro Mod applications where more time and more
area are required to scavenge the cylinder.
LOBE
NUMBER
RATED
DURATION
1181
1183
1185
1187
1189
352
356
360
364
368
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.510
.510
.510
.510
.510
106°
.231
.235
.244
.250
.259
CAMSHAFT TYPE
Pro Mod Exhaust
Rated Duration @
.020” Tappet Lift
@ .050”
312
316
320
324
328
@ .200”
226
228
232
235
240
110°
.212
.217
.226
.233
.242
1.6
.816
.816
.816
.816
.816
1.7
.867
.867
.867
.867
.867
1.8
.918
.918
.918
.918
.918
CHRYSLER SPECIAL RACE ROLLER
These designs are for Chryslers only. The “Special Roller” offers a variety of lobes used primarily on 383-426W426 Hemis and 440 motors in Super Street, Super Stock, Pro Stock, and Alcohol burning Hemis.
LOBE
NUMBER
RATED
DURATION
1661
1625
1634
4248
4083
1642
1635
1491
1649
1650
1662
314-1
320-8
327-2
324-8
333-1
330-9
327-3
331-3
335-4
336-3
342-4
DURATION IN
DEGREES
LOBE
LIFT
TAPPET LIFT @
TDC
.480
.500
.500
.500
.500
.500
.485
.485
.485
.500
.500
106°
.148
.179
.175
.186
.174
.193
.186
.191
.199
.204
.214
CAMSHAFT TYPE
Chrysler Special
Race
Rated Duration @
.020” Tappet Lift
56
1
.
@ .050”
274
282
286
286
292
292
290
294
294
298
304
8
0
0
@ .200”
190
202
198
204
202
208
206
208
212
214
217
.
9
9
9
.
0
110°
.132
.161
.159
.167
.168
.176
.169
.174
.183
.186
.197
8
5
1.5
.720
.750
.750
.750
.750
.750
.728
.728
.728
.750
.750
3
1.6
.768
.800
.800
.800
.800
.800
.776
.776
.776
.800
.800
1.7
.816
.850
.850
.850
.850
.850
.825
.825
.825
.850
.850
OVERHEAD CAM (PIVOTING FOLLOWER)
DESIGN
NUMBER
RATED
DURATION
DURATION IN
DEGREES
LOBE
LIFT
9240
9241
9242
9243
9244
9245
254
258
262
266
270
274
@ .050”
218
222
226
230
234
238
@ .200”
164
171
177
179
182
186
.236
.236
.236
.236
.236
.236
.425
.425
.425
.425
.425
.425
9320
9321
9322
9323
9324
9325
9341
9342
9343
9344
9345
9346
9254
9256
9257
9258
9259
9260
9266
256
260
264
268
272
276
258
262
266
270
274
278
254
262
268
270
274
278
262
220
224
228
232
236
240
222
226
230
234
238
242
216
224
230
232
236
240
226
165
168
172
176
179
183
169
172
176
180
183
186
164
171
177
179
182
186
177
.250
.250
.250
.250
.250
.250
.263
.263
.263
.263
.263
.263
.274
.274
.274
.274
.274
.274
.300
.450
.450
.450
.450
.450
.450
.475
.475
.475
.475
.475
.475
.500
.500
.500
.500
.500
.500
.550
9267
9268
9269
9270
9271
266
270
274
278
282
230
234
238
242
246
181
185
189
192
196
.300
.300
.300
.300
.300
.550
.550
.550
.550
.550
CAMSHAFT TYPE
XE F4.6/5.4
Rated Duration @
.006” Valve Lift
Valve Lift Given
w/ Stock Geometry
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
XTREME ENERGY™ FORD MODULAR 4.6 & 5.4L - SOHC or DOHC
These profiles are developed for use in Ford Modular engines. The .550" versions are more aggressive off the seat
and have more area. The .500" lift versions will work in '98 and earlier SOHC engines without cylinder head
modifications. They also work very well in DOHC applications that have been modified to accept .500" valve lift. The
.425" versions are best suited DOHC applications with '99 or later PI cylinder heads and can be used with stock
valve train. Valve durations and lift given for stock valve, lifter and rocker geometry.
57
FORD 2000-2300 OHC STREET
These profiles are designed for use in Ford 2000-2300 OHC (Pinto) applications with factory style sliding followers.
Cams must be nitrided after grind and will require extra time. Valve durations and lift given for stock valve, lifter and
rocker geometry.
DESIGN
NUMBER
VALVE DURATION
LOBE
LIFT
VALVE
LIFT
.240
.246
.252
.264
.277
.400
.406
.420
.440
.460
.282
.292
.350
.445
.463
.580
CAMSHAFT TYPE
Street Profiles
Hydraulic
Valve Lift Given
w/ Stock Geometry
8022
8023
8024
8025
8026
@ .010”
240
252
260
268
280
Street Profiles
Solid Lifter
8006
8007
8008
272
294
300
@ .050”
200
210
218
226
236
242
264
278
FORD 2000-2300 OHC RACE
These profiles are designed for use in Ford 2000-2300 OHC (Pinto) applications with factory style sliding followers.
Cams must be nitrided after grind and will require extra time.Valve durations and lift given for stock valve, lifter and
rocker geometry.
DESIGN
NUMBER
VALVE DURATION
LOBE
LIFT
VALVE
LIFT
.280
.300
.270
.300
.345
.460
.500
.460
.500
.575
CAMSHAFT TYPE
Race Profiles
Base Design
Solid Lifter 0.010"
Lash Valve Lift Given
w/Stock Geometry
8064
8066
8098
8096
8090
@ .010”
270
280
280
288
300
Race Profiles .480"
Lift Rule Solid Lifter
8312
8314
8316
288
292
296
260
264
268
.284
.284
.284
.480
.480
.480
8304
8306
294
300
272
278
.297
.297
.516
.516
8325
8327
314
320
282
288
.297
.297
.516
.516
Race Profiles Base
Design Solid Lifter
58
1
.
8
0
0
.
@ .050”
238
248
248
256
268
9
9
9
.
0
8
5
3
DESIGN NUMBER
INT/EXH
VALVE DURATION
LOBE
LIFT
VALVE
LIFT
.344
.344
.344
.344
.344
.344
.620
.620
.620
.620
.620
.620
.355
.360
.363
.363
.645
.655
.660
.660
CAMSHAFT TYPE
Hi-Tech™ Designs
8374/8375
8376/8377
8380/8381
8382/8383
8384/8385
8386/8387
@ .010”
279
283
291
295
299
303
8360
8362
8364
8366
286
290
294
298
Race Profiles
RT Style Designs
@ .050”
246
250
258
262
266
270
258
262
266
270
FORD 2000-2300 OHC RACE ROLLER FOLLOWER
These profiles are designed for use in Ford 2000-2300 OHC (Pinto) applications with roller followers.
GM ECOTECH - XTREME ENERGY™ OHC
These profile are designed for use in GM Ecotech applications. Valve durations and lift given for stock valve, lifter
and rocker geometry.
DESIGN
NUMBER
RATED
DURATION AT VALVE
DURATION IN
DEGREES AT VALVE
LOBE
LIFT
VALVE
LIFT
Intake
Street Hydraulic
Rated Duration @
.006” Valve Lift
8754
8756
8758
8760
8762
@ .006”
240
246
252
258
264
@ .050”
198
204
210
216
222
@ .200”
141
146
151
157
164
.251
.251
.251
.260
.270
.423
.423
.423
.440
.456
Exhaust
Street Hydraulic
Rated Duration @
.006” Valve Lift
8755
8757
8759
8761
8763
244
250
256
262
268
200
206
212
218
224
140
145
150
156
163
.248
.248
.248
.258
.268
.419
.419
.419
.436
.453
Intake
Race Designs
Rated Duration @
.006” Valve Lift
8766
8770
8780
292
303
310
247
259
267
186
198
207
.294
.300
.350
.499
.511
.591
Exhaust
Race Designs
Rated Duration @
.006” Valve Lift
8767
8771
8781
294
306
314
249
261
268
187
199
208
.294
.300
.350
.499
.512
.591
CAMSHAFT TYPE
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
59
MITSUBISHI 4G63 - XTREME ENERGY™ OHC
These profiles are designed for use in Mitsubishi 4G63 applications. Valve durations and lift given for stock valve,
lifter and rocker geometry.
DESIGN
ID
DURATION
AT
LOBE
LIFT
VALVE
LIFT
INT/EXH
@ .050”
204
204
212
212
212
212
220
.237
.229
.239
.232
.239
.232
.242
.407
.391
.411
.395
.411
.395
.415
INT
EXH
INT
EXH
INT
EXH
INT
220
210
210
.234
.255
.239
.399
.434
.411
EXH
INT
EXH
CAMSHAFT TYPE
@ .004”
251
250
259
258
259
258
266
8735
8736
8737
8738
8739
8740
8741
Mitsubishi 4G63Xtreme Energy™
Rated Duration @
.004” Valve Lift
8742
8745
8746
266
256
257
NISSAN L16, 18, 20B
These profiles are designed for use in Nissan L16, 18, 20B applications. Valve durations and lift given for stock
valve and rocker geometry.
DESIGN
NUMBER
VALVE DURATION
LOBE
LIFT
VALVE
LIFT
@ .050”
194
204
214
222
236
246
.285
.293
.301
.308
.330
.344
.400
.410
.420
.430
.460
.480
258
264
270
.395
.400
.405
.573
.580
.587
CAMSHAFT TYPE
Street Profiles
Race Profiles
@ .010”
240
252
260
268
280
292
8250
8255
8251
8252
8253
8254
8260
8261
8262
294
300
306
TOYOTA 20R-22RE
These profiles are designed for use in Toyota 20R-22RE applications. Valve durations and lift given for stock valve
and rocker geometry.
DESIGN NUMBER
INT/EXH
VALVE DURATION
LOBE
LIFT
VALVE
LIFT
@ .050”
206
214
222
.282
.288
.295
.419
.429
.440
CAMSHAFT TYPE
Street Profiles
Race Profiles
60
@ .010”
247
255
263
8216/8217
8218/8219
8202/8203
8204/8205
8206/8207
271
279
230
238
.301
.321
.450
.484
8232/8233
8234/8235
8236/8237
8240/8241
8242/8243
317
321
325
321
325
275
279
283
279
283
.308
.305
.305
.328
.328
.460
.457
.457
.505
.505
1
.
8
0
0
.
9
9
9
.
0
8
5
3
OVERHEAD CAM (DIRECT ACTING)
DESIGN
NUMBER
RATED DUR.
AT VALVE
6800
6801
6802
6803
6804
6805
6806
6807
6808
@ .010”
216
226
236
246
256
266
276
286
296
DURATION IN
DEGREES AT VALVE
LOBE
LIFT
MIN LIFTER
OD
MIN BCR
@ .050”
180
190
200
210
220
230
240
250
260
.260
.280
.300
.320
.340
.360
.380
.400
.420
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
.640
.620
.600
.580
.560
.540
.520
.500
.480
CAMSHAFT TYPE
VW or Direct
1" Tappet
Direct Bucket
@ .200”
95
109
122
134
145
153
162
169
179
OHC - MULTIPURPOSE BUCKET DESIGNS
DESIGN
NUMBER
RATED DUR.
AT VALVE
9048
9042
9045
9044
9046
@ .010”
248
256
274
264
273
DURATION IN
DEGREES AT VALVE
LOBE
LIFT
MIN LIFTER
OD
MIN BCR
@ .050”
215
222
228
230
238
.365
.360
.320
.360
.360
1.080
1.020
.900
1.000
.980
.550
.550
.500
.500
.500
OVERHEAD CAM (DIRECT ACTING)
VW OR DIRECT 1" TAPPETT
CAMSHAFT TYPE
OHC
Direct Bucket
@ .200”
146
150
144
158
162
QUAD 4 - BUCKET DESIGNS
DESIGN
NUMBER
RATED DUR.
AT VALVE
9013
9014
9015
@ .010”
260
266
272
DURATION IN
DEGREES AT VALVE
LOBE
LIFT
MIN LIFTER
OD
MIN BCR
@ .050”
226
232
238
.410
.420
.430
1.100
1.100
1.100
.650
.650
.650
CAMSHAFT TYPE
Quad 4
Direct Bucket
@ .200”
160
166
172
OHZ - STREET/STRIP BUCKET DESIGNS
DESIGN
NUMBER
RATED DUR.
AT VALVE
DURATION IN
DEGREES AT VALVE
LOBE
LIFT
MIN LIFTER
OD
MIN BCR
9090
9091
9092
9093
9086
9087
@ .006”
258
262
268
274
280
286
@ .050”
214
218
224
230
236
242
@ .200”
149
153
158
163
168
173
.400
.400
.400
.400
.400
.400
1.180
1.180
1.180
1.180
1.180
1.180
.680
.660
.640
.620
.600
.600
9094
9095
9109
9096
9108
264
272
280
280
284
220
228
235
236
239
153
160
150
166
163
.380
.380
.320
.380
.360
1.180
1.180
1.025
1.180
1.025
.650
.630
.500
.610
.500
CAMSHAFT TYPE
OHZ
Direct Bucket
OHZ
Direct Bucket
W
W
W
.
C
O
M
P
C
A
M
S
.
C
O
M
61
LOBE INDEX
LOBE INDEX
62
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
1027
1028
1030
1046
1152
1176
1180
1181
1183
1185
1186
1187
1188
1189
1240
1260
1261
1263
1268
1269
1271
1272
1273
1278
1285
1286
1287
1288
1289
1291
1293
1295
1301
1302
1306
1309
1320
1372
1373
1374
1375
1376
1377
1392
1393
1394
1395
1416
1417
1418
1419
1427
1429
1460
1461
1462
1464
1465
1466
1469
1473
1474
1476
1477
1479
1480
1481
1484
1485
1486
1487
1489
1490
54
54
50
50
54
53
53
56
56
56
53
56
53
56
54
53
55
55
53
55
53
53
55
53
55
53
55
53
55
55
55
53
50
50
54
50
54
53
53
53
53
53
53
37
49
37
49
48
48
48
48
48
48
37
38
37
37
37
37
37
37
36
36
38
37
49
38
54
54
37
54
54
50
1491
1492
1494
1495
1496
1498
1514
1515
1519
1520
1521
1522
1523
1524
1528
1530
1532
1534
1536
1538
1540
1542
1609
1611
1612
1613
1617
1619
1620
1625
1628
1630
1634
1635
1639
1642
1649
1650
1658
1659
1660
1661
1662
1680
1681
1682
1683
1684
1685
1686
1718
1719
1722
1724
1726
1727
1728
1729
1736
1737
1742
1743
1744
1745
1746
1747
1748
1749
1806
1808
1810
1812
1814
56
37
54
54
36
36
46
46
47
47
47
47
47
47
47
47
47
47
47
47
47
47
37
37
37
37
37
37
37
56
37
37
56
56
37
56
56
56
37
37
49
56
56
56
56
56
56
56
56
56
51
51
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
51
51
51
51
51
1816
1817
1820
1826
1828
1829
1832
1840
1842
1844
1846
1850
1860
1862
1864
1866
1868
1871
1872
1873
1874
1875
1876
1877
1878
1879
1912
1914
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1960
1962
1964
1966
1968
2208
2209
2210
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2298
2486
2488
2490
2492
2494
2507
2508
2509
2510
51
51
51
51
51
51
51
51
51
51
51
55
55
55
55
55
55
55
55
55
55
55
55
55
55
55
52
52
52
52
52
52
52
52
52
52
52
52
52
55
55
55
55
55
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
41
42
42
42
42
42
45
45
45
45
2511
2512
2513
2514
2515
2516
2517
2518
2735
2881
2882
2885
2950
2952
2953
2954
2958
2962
2963
2964
2965
2978
2979
2980
2981
2982
2983
2984
2985
2989
3010
3011
3012
3013
3014
3015
3016
3017
3018
3033
3034
3035
3036
3037
3038
3039
3050
3051
3052
3053
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3122
3150
45
45
45
45
45
45
45
45
41
44
44
44
43
43
43
43
43
44
44
44
44
44
44
44
44
44
44
44
44
44
15
15
15
15
15
15
15
15
15
16
16
16
16
16
16
16
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
3151
3152
3160
3161
3162
3163
3164
3168
3170
3171
3188
3190
3192
3194
3196
3207
3282
3283
3284
3285
3286
3287
3288
3289
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3322
3323
3324
3326
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
13
13
13
13
13
13
13
13
13
13
14
14
14
14
14
48
18
18
18
18
19
19
19
19
18
18
18
18
18
14
14
14
15
14
14
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
15
15
19
19
19
19
19
19
18
18
18
18
18
14
14
14
14
14
14
14
14
14
3349
3354
3355
3356
3357
3358
3359
3362
3363
3364
3370
3371
3372
3373
3374
3375
3376
3377
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3404
3405
3410
3411
3414
3415
3447
3473
3474
3475
3610
3611
3612
3613
3628
3630
3632
3633
3634
3635
3636
3637
3638
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3705
3706
3707
3708
3709
14
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
19
18
18
19
16
16
14
14
16
16
16
16
14
14
14
15
14
14
14
14
15
15
15
15
15
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3750
3751
3752
3753
3755
3756
3757
3766
3767
3809
3810
3816
3817
3818
3819
3822
3823
3824
3825
3826
3827
3832
3833
3834
3835
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4013
4015
4016
4017
4018
4019
4020
4022
4023
4024
4025
4026
4027
17
17
17
17
17
17
17
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
17
17
17
17
17
17
17
17
17
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
37
39
36
38
39
38
39
38
39
39
39
39
39
39
39
38
39
39
38
39
37
39
38
4028
4029
4030
4031
4032
4034
4035
4045
4046
4047
4049
4050
4051
4052
4053
4055
4056
4057
4058
4059
4062
4063
4064
4065
4066
4067
4068
4070
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4085
4087
4091
4107
4118
4119
4121
4123
4124
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4176
39
38
39
39
39
37
37
38
38
38
38
54
54
54
54
54
54
54
38
37
37
50
54
49
37
54
50
49
54
49
48
48
48
48
48
48
48
56
50
37
50
50
50
48
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
40
40
40
40
40
40
40
40
40
40
40
46
0
5
1
.
8
0
0
.
9
9
9
.
8
3
LOBE INDEX
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
46
46
46
46
46
46
46
46
45
45
45
38
38
38
38
38
38
38
48
48
48
48
36
36
48
48
37
48
37
48
54
56
48
48
48
40
40
40
40
40
40
40
40
40
40
40
40
40
40
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
4316
4317
4318
4319
4321
4327
4328
4329
4340
4341
4345
4346
4347
4348
4349
4358
4359
4361
4362
4363
4364
4365
4366
4367
4368
4370
4371
4372
4373
4374
4375
4376
4377
4378
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4402
4404
4405
4406
4407
4408
4409
4416
4418
4421
4422
4423
4424
4427
4428
4429
4430
4431
4432
4433
4436
4438
4445
4447
4449
4451
4480
4482
4483
41
41
41
41
44
44
44
44
41
41
42
42
42
42
42
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
42
42
42
42
42
42
42
42
42
42
43
43
43
43
43
43
43
43
43
48
48
48
48
42
42
42
42
42
42
42
42
42
42
42
42
42
49
49
49
4484
4485
4486
4572
4573
4574
4575
4576
4600
4601
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4627
4628
4639
4640
4641
4642
4643
4682
4683
4684
4685
4686
4687
4784
4785
4788
4789
4793
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4826
4827
4830
4831
4837
4838
4839
4840
4841
4842
4850
4851
4852
4853
4854
4855
4856
49
49
49
47
47
47
47
47
38
38
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
46
46
46
46
47
42
42
42
42
42
42
46
46
46
46
46
43
43
43
43
43
43
43
43
43
43
43
43
43
46
46
44
44
44
44
44
44
36
36
36
36
36
36
36
4857
4858
4859
4860
4861
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
5000
5002
5006
5066
5067
5068
5069
5070
5071
5082
5083
5084
5085
5086
5087
5088
5089
5090
5101
5103
5105
5107
5109
5127
5128
5128
5129
5130
5135
5146
5163
5166
5190
5195
5196
5197
5198
5199
5200
5201
5201
5202
5202
5203
5203
5204
5205
5205
5206
5207
5207
5208
5208
5209
5209
5210
5210
5211
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
9
9
9
9
9
9
9
9
9
11
11
11
11
11
11
11
11
11
11
11
11
11
11
9
9
9
9
9
9
9
9
9
20
11
11
11
11
11
8
8
10
8
10
8
10
8
8
10
8
8
10
8
10
8
10
8
10
8
5212
5212
5213
5214
5214
5215
5216
5216
5217
5221
5222
5223
5224
5225
5226
5229
5230
5231
5231
5232
5232
5233
5234
5238
5238
5239
5240
5241
5310
5311
5312
5315
5326
5327
5414
5418
5419
5430
5431
5432
5433
5435
5437
5438
5439
5440
5441
5442
5443
5444
5445
5446
5447
5448
5449
5550
5553
5643
5644
5645
5646
5647
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
8
10
8
8
10
8
8
10
8
11
8
8
8
8
8
8
10
10
10
8
10
10
10
10
10
8
8
8
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5692
5694
5695
5696
5697
5698
5704
5708
5713
5714
5715
5718
5719
5720
5744
5746
5960
5961
5964
5965
5966
5980
5981
5984
5985
5986
6000
6001
6002
6003
6004
6005
6006
6007
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018
6019
6027
6028
6029
6030
6031
6032
6033
25
25
25
25
25
25
25
25
25
25
26
26
25
25
25
26
26
26
26
26
26
25
25
25
25
25
25
25
25
26
26
26
25
25
25
25
25
12
12
12
12
12
12
12
12
12
12
21
21
20
20
21
21
21
20
21
21
21
21
21
21
21
21
20
21
21
21
21
21
22
22
22
22
6034
6035
6036
6038
6052
6053
6054
6055
6056
6057
6059
6061
6068
6069
6070
6071
6083
6084
6089
6091
6114
6129
6130
6131
6132
6133
6134
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6174
6192
6193
6194
6195
6196
6197
6198
6199
6200
6208
6209
6210
6211
6212
6213
6214
6215
6216
6217
6218
6219
6222
6231
6232
6234
6235
6237
6238
6239
6240
6241
6242
6243
6244
6245
22
22
22
20
20
20
20
21
21
21
21
21
20
20
20
20
20
20
21
21
20
34
34
34
34
34
34
24
24
24
24
24
24
24
24
24
24
26
26
26
26
26
26
26
26
26
26
24
24
24
24
24
24
24
24
24
24
24
24
24
26
26
26
26
26
26
26
26
26
26
26
26
26
6246
6247
6249
6250
6251
6252
6253
6254
6255
6256
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
6275
6276
6277
6280
6281
6282
6283
6284
6285
6286
6289
6301
6302
6303
6304
6305
6306
6307
6308
6310
6312
6313
6314
6330
6331
6332
6333
6334
6335
6336
6400
6402
6404
6406
6408
6410
6412
6414
6416
6418
6420
6579
6580
6581
6582
6583
6584
6585
6586
6587
26
26
26
27
27
27
27
27
27
27
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
27
27
27
27
27
27
27
27
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
23
23
23
23
23
23
23
23
23
23
23
35
35
35
35
35
35
35
35
35
O
P
W
W
W
.
C
M
C
A
M
S
.
C
O
M
LOBE INDEX
Lobe
4178
4180
4181
4182
4183
4184
4185
4186
4196
4198
4199
4205
4206
4207
4208
4209
4210
4211
4213
4214
4216
4217
4220
4221
4240
4241
4242
4243
4244
4245
4247
4248
4252
4253
4254
4260
4262
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4276
4278
4279
4283
4284
4285
4286
4287
4293
4294
4295
4296
4301
4302
4303
4304
4305
4308
4309
4310
4311
4312
4313
4314
4315
63
LOBE INDEX
LOBE INDEX
64
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
Lobe
Page
6588
6589
6590
6591
6610
6611
6612
6800
6801
6802
6803
6804
6805
6806
6807
6808
6882
6883
6884
6885
6886
6887
7015
7016
7020
7021
7022
7023
7028
7037
7038
7039
7040
7041
7042
7043
7044
7049
7068
7069
7071
7072
7073
7074
7075
35
35
35
35
34
34
34
61
61
61
61
61
61
61
61
61
12
12
12
12
12
12
29
29
32
32
32
32
32
32
32
32
32
32
32
32
32
32
30
30
30
30
30
30
30
7077
7078
7084
7085
7086
7087
7110
7113
7114
7115
7116
7117
7118
7120
7121
7122
7123
7124
7125
7127
7130
7131
7132
7133
7134
7135
7136
7158
7159
7160
7161
7162
7163
7164
7165
7166
7168
7169
7170
7171
7172
7174
7185
7186
7187
30
30
32
32
32
32
30
30
30
30
30
30
30
32
32
32
32
32
30
30
28
28
28
28
28
30
30
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
29
29
29
7188
7189
7190
7191
7192
7193
7194
7203
7204
7205
7206
7207
7208
7250
7260
7261
7262
7263
7265
7266
7267
7353
7354
7355
7356
7357
7358
7359
7362
7363
7364
7365
7366
7367
7368
7380
7381
7382
7383
7384
7385
7386
7387
7388
7389
29
29
29
29
29
29
29
34
34
34
34
34
34
28
28
28
28
28
28
28
28
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
7393
7394
7395
7396
7399
7404
7405
7406
7408
7409
7411
7412
7413
7414
7415
7416
7665
7666
7667
7668
7669
7670
7671
8006
8007
8008
8022
8023
8024
8025
8026
8064
8066
8090
8096
8098
8202
8203
8204
8205
8206
8207
8216
8217
8218
27
27
27
31
31
27
27
27
27
27
27
27
27
27
27
27
33
33
33
33
33
33
33
58
58
58
58
58
58
58
58
58
58
58
58
58
60
60
60
60
60
60
60
60
60
8219
8232
8233
8234
8235
8236
8237
8240
8241
8242
8243
8250
8251
8252
8253
8254
8255
8260
8261
8262
8304
8306
8312
8314
8316
8325
8327
8360
8362
8364
8366
8374
8375
8376
8377
8380
8381
8382
8383
8384
8385
8386
8387
8735
8736
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
58
58
58
58
58
58
58
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
60
60
8737
8738
8739
8740
8741
8742
8745
8746
8754
8755
8756
8757
8758
8759
8760
8761
8762
8763
8766
8767
8770
8771
8780
8781
9013
9014
9015
9042
9044
9045
9046
9048
9086
9087
9090
9091
9092
9093
9094
9095
9096
9108
9109
9158
9159
60
60
60
60
60
60
60
60
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
29
29
9160
9161
9162
9185
9186
9187
9188
9189
9190
9191
9192
9193
9194
9195
9240
9241
9242
9243
9244
9245
9254
9256
9257
9258
9259
9260
9266
9267
9268
9269
9270
9271
9320
9321
9322
9323
9324
9325
9341
9342
9343
9344
9345
9346
9360
29
29
29
29
29
29
29
29
29
29
29
29
29
29
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
57
33
1
.
8
0
0
.
9
9
9
.
0
8
5
3
Lobe
9361
9362
9363
9364
9365
9366
9367
9368
9369
9370
9374
9375
9376
9377
9384
9385
9386
9387
9388
9389
9709
9710
9711
9712
9713
9714
5110A
5120A
5126A
5136A
Page
33
33
33
33
33
33
33
33
33
33
33
33
33
33
30
30
30
30
30
30
34
34
34
34
34
34
9
9
9
9
OTHER PRODUCT LINES AVAILABLE FROM
ALL COMP CAMS® DEALERS
M A S T E R LO B E P RO F I L E C ATA LO G
The Absolute Leader In
Valve Train Performance
C O M P Cams®
3406 Democrat Road
Memphis, TN 38118
901.795.2400
C A M HELP® : 1.800.999.0853
Fax: 901.366.1807
© Copyright 2006 by COMP Performance Group™
www.compcams.com
LC2007

Cam Lobe Master Catalog

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Cam Lobe Master Catalog

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