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

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 - 3000 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.

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