Description

This Comp Cams 12-678-4 SBC Xtreme Energy Mechanical Flat Tappet Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for street/strip applications, and it features good low-end torque and a rough idle. A 9.5:1 or higher compression ratio, headers, gears and a 2800+ stall speed torque converter are highly recommended.

Comp Cams 12-678-4 SBC Xtreme Energy 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: 2400 to 6800
• Valve Lift Intake: .520
• Valve Lift Exhaust: .540
• Advertised Intake Duration: 282
• Advertised Exhaust Duration: 290
• Intake Duration at .050: 244
• Exhaust Duration at .050: 252
• 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.

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