Comp Cams 11-740-9 BBC Drag Race Mechanical Roller Camshaft 321JR-12
This Comp Cams 11-740-9 BBC Drag Race Solid Roller Camshaft fits the 396-454 Big Block Chevy from 1967-1996. Comp designed this cam for super competition use, and it features good torque and a lopey idle. A 11.0:1 or higher compression ratio and a 5400+ stall speed torque converter are highly recommended.
Comp Cams 11-740-9 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: 5000 to 7500
- Valve Lift Intake: .748
- Valve Lift Exhaust: .748
- Advertised Intake Duration: 321
- Advertised Exhaust Duration: 336
- Intake Duration at .050”: 284
- Exhaust Duration at .050”: 296
- Lobe Separation: 112
- 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!
Original: $531.95
-65%$531.95
$186.18Comp Cams 11-740-9 BBC Drag Race Mechanical Roller Camshaft 321JR-12
This Comp Cams 11-740-9 BBC Drag Race Solid Roller Camshaft fits the 396-454 Big Block Chevy from 1967-1996. Comp designed this cam for super competition use, and it features good torque and a lopey idle. A 11.0:1 or higher compression ratio and a 5400+ stall speed torque converter are highly recommended.
Comp Cams 11-740-9 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: 5000 to 7500
- Valve Lift Intake: .748
- Valve Lift Exhaust: .748
- Advertised Intake Duration: 321
- Advertised Exhaust Duration: 336
- Intake Duration at .050”: 284
- Exhaust Duration at .050”: 296
- Lobe Separation: 112
- 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!
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Description
This Comp Cams 11-740-9 BBC Drag Race Solid Roller Camshaft fits the 396-454 Big Block Chevy from 1967-1996. Comp designed this cam for super competition use, and it features good torque and a lopey idle. A 11.0:1 or higher compression ratio and a 5400+ stall speed torque converter are highly recommended.
Comp Cams 11-740-9 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: 5000 to 7500
- Valve Lift Intake: .748
- Valve Lift Exhaust: .748
- Advertised Intake Duration: 321
- Advertised Exhaust Duration: 336
- Intake Duration at .050”: 284
- Exhaust Duration at .050”: 296
- Lobe Separation: 112
- 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!
