Comp Cams 12-600-4 SBC Thumpr Hydraulic Flat Tappet Camshaft 279TH7

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This Comp Cams 12-600-4 SBC 279TH7 Thumpr Hydraulic Flat Tappet Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for high performance street use, and it features a choppy/thumping idle. A 9.0:1 or higher compression ratio and a 2400+ stall speed torque converter are highly recommended. Comp Cams 12-600-4 SBC 279TH7 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: 2000 to 5800 Valve Lift Intake: .479 Valve Lift Exhaust: .465 Advertised Intake Duration: 279 Advertised Exhaust Duration: 297 Intake Duration at .050”: 227 Exhaust Duration at .050”: 241 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