COMP Cams - CL12-601-8
Mutha' Thumpr 235/249 Hydraulic Roller Cam and Lifter Kit Chevrolet Small Block
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
CL-KIT - Cam and Lifter Kit Includes: Camshaft, Lifters, Assembly Lube, Decals and Instructions.
Kit Type: CL-Kit - Cam and Lifter Kit
Camshaft Series: Thumpr
Usage: Street/Performance
Cam Type: Hydraulic Roller
Basic Operating RPM Range: 2,200-5,900
Intake Duration at .050 Inch Lift: 235
Exhaust Duration at .050 inch Lift: 249
Advertised Intake Duration: 291
Advertised Exhaust Duration: 311
Lobe Separation: 107
Intake Valve Lift: 0.521
Exhaust Valve Lift: 0.507
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
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
K-Kit Upgrade: K12-601-8
SK-Kit Upgrade: GK12-601-8
Amazon ASIN: B001GERIX6
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
