Description

This Comp Cams 42-231-4 Olds 280H Magnum Hydraulic Flat Tappet Camshaft fits the 260-455 Oldsmobile engines from 1967-1990. Comp designed this cam for street/strip use, and it features good low-end torque and a rough idle. A 9.0:1 or higher compression ratio, headers, lower gears and a 2400+ stall speed torque converter are highly recommended.

Comp Cams 42-231-4 Olds 280H Magnum Hydraulic Flat Tappet Camshaft Specs:

• For 260-455 cubic inch Oldsmobile engines from 1967-1990
• Stock (O.E.) valve springs can NOT be used.
• Adjustable valve train required
• Basic RPM Range: 2000 to 6000
• Valve Lift Intake: .490
• Valve Lift Exhaust: .490
• Advertised Intake Duration: 280
• Advertised Exhaust Duration: 280
• Intake Duration at .050: 230
• Exhaust Duration at .050: 230
• Lobe Separation: 110
• Intake Centerline: 106
• Firing Order: 1-8-4-3-6-5-7-2
• Made in the USA

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!