COMP Cams - K11-600-4
Thumpr 227/241 Hydraulic Flat Cam K-Kit for Chevrolet Big Block 396-454
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping 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.
Basic Operating RPM Range: 1,800-5,600
Intake Duration at .050 Inch Lift: 227
Exhaust Duration at .050 inch Lift: 241
Advertised Intake Duration: 279
Advertised Exhaust Duration: 297
Lobe Separation: 107
Intake Valve Lift: 0.498
Exhaust Valve Lift: 0.483
Lifters Included: Yes
Valve Springs Included: Yes
Assembly Lubricant Included: Yes
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Cast Iron
Lifter Type: Hydraulic Flat Tappet
Gaskets Included: No
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Amazon ASIN: B001S1TBLE
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: K-Kit - Complete Kit
Camshaft Series: Thumpr
Usage: Street/Performance
Cam Type: Hydraulic Flat Tappet
