Description
This Comp Cams 42-237-4 Olds 305H Magnum Hydraulic Flat Tappet Camshaft fits the 260-455 Oldsmobile engines from 1967-1990. Comp designed this cam for pro street/bracket racing, and it features good low-end torque and a radical idle. A 9.0:1 or higher compression ratio, low gears and a 3400+ stall speed torque converter are highly recommended.
Comp Cams 42-237-4 Olds 305H 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: 3000 to 6800
- Valve Lift Intake: .540
- Valve Lift Exhaust: .540
- Advertised Intake Duration: 305
- Advertised Exhaust Duration: 305
- Intake Duration at .050”: 253
- Exhaust Duration at .050”: 253
- Lobe Separation: 110
- Intake Centerline: 110
- 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!
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