Description
This Comp Cams 12-420-8 SBC 270HR Magnum Retro-Fit Hydraulic Roller Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for mild street performance/strip use, and it features great low-end torque and a slightly noticeable lope at idle. A 9.5:1 or higher compression ratio, aftermarket intake, headers, 3.40 – 4.10 rear gears and a 2200+ stall speed torque converter are highly recommended.
Comp Cams 12-420-8 SBC 270HR Magnum Retro-Fit Hydraulic Roller Camshaft Specs:
- For 262-400 cubic inch Small Block Chevy engines from 1958-1998
- Requires thrust button & wear plate
- Must use bronze tip fuel pump pushrod when using high pressure or high-volume pump
- Stock (O.E.) valve springs can NOT be used
- Basic RPM Range: 1800 to 5000
- Valve Lift Intake: .500
- Valve Lift Exhaust: .500
- Advertised Intake Duration: 270
- Advertised Exhaust Duration: 270
- Intake Duration at .050: 215
- Exhaust Duration at .050: 215
- Lobe Separation: 110
- Firing Order: 1-8-4-3-6-5-7-2
- Made in the USA
Comp Cams designed this Retro-Fit Hydraulic Roller camshaft for high performance on the street and drag strip.
Comp Cams The Absolute Leader In Valve Train Technology!
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