Comp Cams 21-237-4 BBM Magnum Hydraulic Flat Tappet Camshaft 280H

This Comp Cams 21-237-4 BBM 280H Magnum Hydraulic Flat Tappet Camshaft fits the 383-440 Big Block Chrysler from 1959-1980. Comp designed this cam for street/strip use, and it features excellent low-end torque and a smooth idle. A 9.0 - 10.0:1 or higher compression ratio, 700-800 CFM carburetor, headers, 3.91+ gears and a 2900+ stall speed torque converter are highly recommended.

Comp Cams 21-237-4 BBM 280H Magnum Hydraulic Flat Tappet Camshaft Specs:

• For 383-440 cubic inch Big Block Chrysler engines from 1959-1980
• Stock (O.E.) valve springs can NOT be used.
• Single Bolt
• Basic RPM Range: 2500 to 5800
• Valve Lift Intake: .480
• Valve Lift Exhaust: .480
• Advertised Intake Duration: 280
• Advertised Exhaust Duration: 280
• Intake Duration at .050”: 230
• Exhaust Duration at .050”: 230
• Lobe Separation: 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.

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