Comp Cams Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Pontiac 265-455 - CL51-600-5
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Pontiac 265-455
PRODUCT NOTES:
Kit Type - CL-Kit - Cam and Lifter Kit
Camshaft Series - Thumpr
Usage - Street/Performance
Cam Type - Hydraulic Flat Tappet
Basic Operating RPM Range - 2,000-5,800 R3
Intake Duration at .050 Inch Lift - 227 DD
Exhaust Duration at .050 inch Lift - 241 DD
Advertised Intake Duration - 279 DD
Advertised Exhaust Duration - 297 DD
Lobe Separation - 107 DD
Intake Valve Lift - 0.478 IN
Exhaust Valve Lift - 0.465 IN
Lifters Included - Yes
Valve Springs Required - Yes
Assembly Lubricant Included - Yes
Camshaft Gear Attachment - 1-Bolt
Camshaft Material - Cast Iron
Lifter Type - Hydraulic Flat Tappet
Timing Chain and Gears Included - No
Valve Stem Seals Included - No
Retainers Included - No
Locks Included - No
Gaskets Included - No
Title - Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Pontiac 265-455
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Amazon ASIN - B005H89W9U
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
Engine Family - Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
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