Comp Cams Big Mutha' Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit Chevrolet Small Block - CL12-602-8
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Big Mutha' Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit Chevrolet Small Block
PRODUCT NOTES:
Kit Type - CL-Kit - Cam and Lifter Kit
Camshaft Series - Thumpr
Usage - Street/Strip
Cam Type - Hydraulic Roller
Basic Operating RPM Range - 2,500-6,200 R3
Intake Duration at .050 Inch Lift - 243 DD
Exhaust Duration at .050 inch Lift - 257 DD
Advertised Intake Duration - 299 DD
Advertised Exhaust Duration - 319 DD
Lobe Separation - 107 DD
Intake Valve Lift - 0.531 IN
Exhaust Valve Lift - 0.517 IN
Lifters Included - Yes
Valve Springs Required - Yes
Assembly Lubricant Included - No
Camshaft Gear Attachment - 3-Bolt
Camshaft Material - Austempered Ductile Iron
Lifter Type - Hydraulic Roller
Timing Chain and Gears Included - No
Valve Stem Seals Included - No
Retainers Included - No
Locks Included - No
Gaskets Included - No
SK-Kit Upgrade - GK12-602-8
Title - Big Mutha' Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit Chevrolet Small Block
K-Kit Upgrade - K12-602-8
Engine Family - Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Amazon ASIN - N/A
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? - Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? - Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? - Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? - Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles? - No
C.A.R.B. Exemption Reason - N/A
C.A.R.B. E.O. Number - N/A
Lethal Performance is proud to offer the entire line of Comp Cams products!
For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.
With COMP Cams®, there is no compromise - you're in first place.
