Comp Cams 12-225-4 SBC Magnum Mechanical Flat Tappet Camshaft 306S

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This Comp Cams 12-225-4 SBC Magnum Mechanical Flat Tappet Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for street/strip use, and it features g ood low-end torque and a racy idle. A 10.5:1 or higher compression ratio, headers, intake, low gears and a 3400+ stall speed torque converter are highly recommended. Comp Cams 12-225-4 SBC Magnum Mechanical 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: 3000 to 7000 Valve Lift Intake: .555 Valve Lift Exhaust: .555 Advertised Intake Duration: 306 Advertised Exhaust Duration: 306 Intake Duration at .050”: 260 Exhaust Duration at .050”: 260 Lobe Separation: 110 Intake Centerline: 106 Firing Order: 1-8-4-3-6-5-7-2 Made in the USA Comp Cams designed this Mechanical Flat Tappet camshaft for high performance on the street and drag strip. Comp Cams –The Absolute Leader In Valve Train Technology! Show more