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Competition Cams CL31-603-5
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Ford 221-302; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams K42-602-5
Big Mutha' Thumpr 242/257 Hydraulic Flat Cam K-Kit for Oldsmobile 260-455; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams K21-602-5
Thumpr 243/257 Hydraulic Flat Cam K-Kit for Chrysler 383-440; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams CL32-602-5
Big Mutha' Thumpr 242/257 Hydraulic Flat Cam and Lifter Kit Ford 351C, 351M-400M; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams CL32-602-8
Big Mutha' Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit Ford 351C, 351M-400M; Street/ strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.