Description
COMP Cams - 48-602-5
Classic Big Mutha' Thumpr 242/257 Hydraulic Flat Cam for Chevrolet 348-409
Street/strip, aluminum heads necessary, 2500+ stall, gears and headers, very rough idle.
Camshaft Material: Cast Iron
Engine Family: Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)
Lifter Type: Hydraulic Flat Tappet
Amazon ASIN: B005H89WQI
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: Classic Thumpr
Cam Type: Hydraulic Flat Tappet
Grind Number: 295TH7
Basic Operating RPM Range: 2,500-6,000
Intake Duration at .050 Inch Lift: 242
Exhaust Duration at .050 inch Lift: 257
Advertised Intake Duration: 294
Advertised Exhaust Duration: 312
Lobe Separation: 107
Intake Valve Lift: 0.537
Exhaust Valve Lift: 0.521
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: Yes
Camshaft Gear Attachment: 3-Bolt
Extra Information
Warranty Information
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