Comp Cams 42-308-4 Oldsmobile Magnum Hydraulic Flat Tappet Camshaft 270H

This Comp Cams 42-308-4 Olds 270H 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 great performance and a mild rough idle. A 9.0:1 or higher compression ratio, headers and a 2200+ stall speed torque converter are highly recommended.

Comp Cams 42-308-4 Olds 270H 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: 1800 to 5800
• Valve Lift Intake: .501
• Valve Lift Exhaust: .501
• Advertised Intake Duration: 270
• Advertised Exhaust Duration: 270
• Intake Duration at .050”: 224
• Exhaust Duration at .050”: 224
• 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.

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