Description

This Comp Cams 51-233-4 Pontiac 270H Magnum Hydraulic Flat Tappet Camshaft fits the 265-455 Pontiac engines from 1955-1981. Comp designed this cam for daily performance street/strip use, and it features good mid-range torque and a fair idle. A 9.0:1 or higher compression ratio and a 2200+ stall speed torque converter are highly recommended.

Comp Cams 51-233-4 Pontiac 270H Magnum Hydraulic Flat Tappet Camshaft Specs:

• For 265-455 cubic inch Pontiac engines from 1955-1981
• Stock (O.E.) valve springs can NOT be used.
• Basic RPM Range: 1800 to 5800
• Valve Lift Intake: .476
• Valve Lift Exhaust: .476
• 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.

Comp Cams The Absolute Leader In Valve Train Technology!