Comp Cams 12-602-8 SBC Big Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft 299THR7

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This Comp Cams 12-602-8 SBC 299THR7 Big Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for street/strip use, and it features great low-end torque and a very rough idle. A 9.5:1 or higher compression ratio, intake, headers, gears and a 2900+ stall speed torque converter are highly recommended. Comp Cams 12-602-8 SBC 299THR7 Big 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: 2500 to 6200 Valve Lift Intake: .531 Valve Lift Exhaust: .517 Advertised Intake Duration: 299 Advertised Exhaust Duration: 319 Intake Duration at .050”: 243 Exhaust Duration at .050”: 257 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