Comp Cams Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454 - 11-600-8
High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454
PRODUCT NOTES:
Camshaft Series - Thumpr
Usage - Street/Performance
Cam Type - Hydraulic Roller
Grind Number - 283THR7
Basic Operating RPM Range - 1,900-5,500 R3
Intake Duration at .050 Inch Lift - 227 DD
Exhaust Duration at .050 inch Lift - 241 DD
Advertised Intake Duration - 283 DD
Advertised Exhaust Duration - 303 DD
Lobe Separation - 107 DD
Intake Valve Lift - 0.547 IN
Exhaust Valve Lift - 0.53 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 - GK11-600-8
Cam and Lifter Kit Upgrade - CL11-600-8
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
K-Kit Upgrade - K11-600-8
Lifter Type - Hydraulic Roller
Title - Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Amazon ASIN - B0014F1I2O
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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