COMP Cams - CL11-600-8
Thumpr 227/241 Hydraulic Roller Cam and Lifter Kit Chevrolet Big Block 396-454
High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
CL-KIT - Cam and Lifter Kit Includes: Camshaft, Lifters, Assembly Lube, Decals and Instructions.
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Amazon ASIN: B001GESFI8
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
Kit Type: CL-Kit - Cam and Lifter Kit
Camshaft Series: Thumpr
Usage: Street/Performance
Cam Type: Hydraulic Roller
Basic Operating RPM Range: 1,900-5,500
Intake Duration at .050 Inch Lift: 227
Exhaust Duration at .050 inch Lift: 241
Advertised Intake Duration: 283
Advertised Exhaust Duration: 303
Lobe Separation: 107
Intake Valve Lift: 0.547
Exhaust Valve Lift: 0.53
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
