Comp Cams 12-601-4 SBC Mutha' Thumpr Hydraulic Flat Tappet Camshaft 287TH7

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This Comp Cams 12-601-4 SBC 279TH7 Mutha' Thumpr Hydraulic Flat Tappet Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for high performance stree t/strip use, and it features good low-end torque and a rough idle. A 9.0:1 or higher compression ratio, intake, gears & headers, and a 2600+ stall speed torque converter are highly recommended. Comp Cams 12-601-4 SBC 279TH7 Mutha' Thumpr Hydraulic Flat Tappet Camshaft Specs: For 262-400 cubic inch Small Block Chevy engines from 1958-1998 Stock (O.E.) valve springs can NOT be used. Basic RPM Range: 2200 to 6100 Valve Lift Intake: .489 Valve Lift Exhaust: .476 Advertised Intake Duration: 287 Advertised Exhaust Duration: 305 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 Notes: 50-State legal for 1987 & earlier carbureted V8 SB Chevrolet 262-400 C.A.R.B. E.O. #D-279-3, #D-279-5, #D-279-6. Comp Cams designed this Hydraulic Flat Tappet camshaft for high performance on the street and drag strip. Comp Cams –The Absolute Leader In Valve Train Technology! Show more