Comp Cams 12-601-8 SBC Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft 291THR7

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This Comp Cams 12-601-8 SBC 291THR7 Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for high performance street/strip use, and it features great low-end torque and a rough idle. A 9.0:1 or higher compression ratio, intake, headers, gears and a 2600+ stall speed torque converter are highly recommended. Comp Cams 12-601-8 SBC 291THR7 Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft Specs: For 262-400 cubic inch Small Block Chevy engines from 1958-1998 Requires thrust button & wear plate Must use bronze tip fuel pump pushrod when using high pressure or high-volume pump Stock (O.E.) valve springs can NOT be used Basic RPM Range: 2200 to 5900 Valve Lift Intake: .521 Valve Lift Exhaust: .507 Advertised Intake Duration: 291 Advertised Exhaust Duration: 311 Intake Duration at .050”: 235 Exhaust Duration at .050”: 249 Lobe Separation: 107 Firing Order: 1-8-4-3-6-5-7-2 Made in the USA Comp Cams designed this Retro-Fit Hydraulic Roller camshaft for high performance on the street and drag strip. Comp Cams –The Absolute Leader In Valve Train Technology! Show more