Comp Cams Mutha' Thumpr 235/249 Hydraulic Roller Cam for Chevrolet Big Block 396-454 - 11-601-8
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Mutha' Thumpr 235/249 Hydraulic Roller Cam for Chevrolet Big Block 396-454
PRODUCT NOTES:
Camshaft Series - Thumpr
Usage - Street/Performance
Cam Type - Hydraulic Roller
Grind Number - 291THR7
Basic Operating RPM Range - 2,200-5,800 R3
Intake Duration at .050 Inch Lift - 235 DD
Exhaust Duration at .050 inch Lift - 249 DD
Advertised Intake Duration - 291 DD
Advertised Exhaust Duration - 311 DD
Lobe Separation - 107 DD
Intake Valve Lift - 0.558 IN
Exhaust Valve Lift - 0.542 IN
Lifters Included - No
Valve Springs Required - Yes
Assembly Lubricant Included - No
Camshaft Gear Attachment - 3-Bolt
Camshaft Material - Austempered Ductile Iron
Engine Family - Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Cam, Lifter and Gear Drive Upgrade - GK11-601-8
Cam and Lifter Kit Upgrade - CL11-601-8
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
K-Kit Upgrade - K11-601-8
Lifter Type - Hydraulic Roller
Title - Mutha' Thumpr 235/249 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Amazon ASIN - B0014F35T8
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
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