COMP Cams - K12-602-8
Big Mutha' Thumpr 243/257 Hydraulic Roller Cam K-Kit for Chevrolet Small Block
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.
Kit Type: K-Kit - Complete Kit
Camshaft Series: Thumpr
Usage: Street/Strip
Cam Type: Hydraulic Roller
Basic Operating RPM Range: 2,500-6,200
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 inch Lift: 257
Advertised Intake Duration: 299
Advertised Exhaust Duration: 319
Lobe Separation: 107
Intake Valve Lift: 0.531
Exhaust Valve Lift: 0.517
Lifters Included: Yes
Valve Springs Included: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Austempered Ductile Iron
Lifter Type: Hydraulic Roller
Gaskets Included: No
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Amazon ASIN: B001GEXBHS
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
