Comp Cams 11-703-9 BBC Drag Race Mechanical Roller Camshaft 312CR-10

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This Comp Cams 11-703-9 BBC Drag Race Solid Roller Camshaft fits the 396-454 Big Block Chevy from 1967-1996. Comp designed this cam for super street/super gas racing in a 2500 - 30 00 lbs. vehicle, and it features good torque and a lopey idle. A 11.0:1 or higher compression ratio and a 5000+ stall speed torque converter are highly recommended. Comp Cams 11-703-9 BBC Drag Race Solid Roller Camshaft Specs: For 396-454 cubic inch Big Block Chevy engines from 1967-1996 Requires Melanized or Nitrided distributor gear, thrust button & wear plate Must use bronze tip fuel pump pushrod when using high pressure or high-volume pump Basic RPM Range: 4500 to 7300 Valve Lift Intake: .714 Valve Lift Exhaust: .680 Advertised Intake Duration: 312 Advertised Exhaust Duration: 319 Intake Duration at .050”: 278 Exhaust Duration at .050”: 282 Lobe Separation: 110 Firing Order: 1-8-4-3-6-5-7-2 Made in the USA Notes: The 1965-66 396 has an oiling groove in the rear journal. This cam does not, so if you require the oiling groove, please contact us for a special order. Comp Cams designed this solid roller camshaft for high performance on the street and drag strip. Comp Cams –The Absolute Leader In Valve Train Technology! Show more