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Competition Cams 31-603-5
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Ford 221-302; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams 91-602-5
Classic Big Mutha Thumpr 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead; Street/strip, must have head modification, 2500+ stall, very rough idle.
Competition Cams 92-602-5
Big Mutha' Thumpr 227/241 Hydraulic Flat Cam for Buick 350; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams 127030
Big Mutha' Thumpr NSR 242/262 Hydraulic Roller Cams Ford 4.6/5.4L Modular 3-V; Extremely rough idle, needs stroker motor and/or ported heads. Major hp gains to 6800 RPM. Best with 3.73+ gears and 2500 stall. Compatible with stock valve springs, requires cam phaser upgrade.
Competition Cams 01-602-8
Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chevrolet Big Block GEN VI; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition 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.
Competition Cams 51-602-5
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Pontiac 265-455; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams 94-602-5
Big Mutha' Thumpr 242/257 Hydraulic Flat Cam for Cadillac 425, 472, 500; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Competition Cams 35-602-4
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Ford 351W; Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.