COMP Cams - 08-600-8
Camshaft - Thumpr - Hydraulic Roller - Lift 0.513 / 0.498 in - Duration 283 / 303 - 107 LSA - 1900 / 5600 RPM - Small Block Chevy - Each
COMP Cams Thumpr 283THR7 Camshaft for Small Block Chevrolet Carbureted Engines Originally Equipped with Hydraulic Roller Cams
Hydraulic Roller - Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Advertised Exhaust Duration: 303
Lobe Separation: 107
Intake Valve Lift: 0.513
Exhaust Valve Lift: 0.498
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Austempered Ductile Iron
Engine Family: Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)
Cam, Lifter and Gear Drive Upgrade: GK08-600-8
Cam and Lifter Kit Upgrade: CL08-600-8
K-Kit Upgrade: K08-600-8
Lifter Type: Hydraulic Roller
Amazon ASIN: B002EDWPOA
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
Camshaft Series: Thumpr
Usage: Street/Performance
Cam Type: Hydraulic Roller
Grind Number: 283THR7
Basic Operating RPM Range: 1,900-5,600
Intake Duration at .050 Inch Lift: 227
Exhaust Duration at .050 inch Lift: 241
Advertised Intake Duration: 283
