Description

This Comp Cams 11-220-4 BBC 306S Magnum Mechanical Flat Tappet Camshaft fits 396-454 cubic inch Mark IV Big Block Chevy engines from 1967-1996. Comp designed this cam for pro street/bracket racing, and it features strong mid-range torque & horsepower and has a radical idle. A 11.0:1+ compression ratio, 4.10 or lower gears and a 3400+ stall speed torque converter are highly recommended.

Comp Cams 11-220-4 BBC 306S Magnum Mechanical Flat Tappet Camshaft Specs:

• For Big Block Chevy 396-454 engines from 1967-1996
• Basic RPM Range: 3000 to 7000
• Valve Lift Intake: .629
• Valve Lift Exhaust: .629
• Intake Duration: 306
• Exhaust Duration: 306
• Intake Duration at .050: 260
• Exhaust Duration at .050: 260
• Lobe Separation: 110
• Intake Centerline: 106
• Firing Order: 1-8-4-3-6-5-7-2
• Made in the USA

Note: Stock (O.E.) valve springs can NOT be used

Comp Cams designed their Mechanical Flat Tappet camshafts for high performance on the street and drag strip.

Comp Cams The Absolute Leader In Valve Train Technology!