COMP Cams - 21-602-5
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Chrysler 383-440
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Exhaust Duration at .050 inch Lift: 257
Advertised Intake Duration: 295
Advertised Exhaust Duration: 312
Lobe Separation: 107
Intake Valve Lift: 0.507
Exhaust Valve Lift: 0.494
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: Yes
Camshaft Gear Attachment: 1-Bolt
Camshaft Material: Cast Iron
Engine Family: Chrysler 383-440 c.i. 8 Cylinder (1959-1980)
Cam and Lifter Kit Upgrade: CL21-602-5
K-Kit Upgrade: K21-602-5
Lifter Type: Hydraulic Flat Tappet
Amazon ASIN: B005H89RU4
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/Strip
Cam Type: Hydraulic Flat Tappet
Grind Number: 295TH7
Basic Operating RPM Range: 2,500-6,400
Intake Duration at .050 Inch Lift: 243
