Drag Race 278/284 Solid Roller Cam for Chevrolet Small Block

In stock
SKU
12-865-9
$505.95

Warning: Camshaft Optimized for use with a Melanized or Nitrided distributor gear. Not compatible with cast or steel gears without similar surface treatments. Failure to utilize the proper distributor gear will void all warranties and/or return policies.

Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range: 4,500-7800
Grind Number: 307-R6
Cam Type: Solid Roller
Lifter Style: Solid Roller
Camshaft Series: Drag Race
Usage: Strip
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 307
Advertised Exhaust Duration: 317
Intake Duration at .050 Inch Lift: 278
Exhaust Duration at .050 Inch Lift: 284
Intake Valve Lift: 0.684
Exhaust Valve Lift: 0.66
Lobe Separation: 106
Exhaust Close ATDC: 32
Intake Open BTDC: 37
Exhaust Open BBDC: 72
Intake Close ABDC: 61
Camshaft Gear Attachment: 3-Bolt
Component Part Number
Break-In Lube: 159
Distributor Gears: 12200  /   412
Lifter Kit: 818-16
Steel Retainers: 731-16
Timing Set: 7100  /   8100CPG
Valve Locks: 611-16
Valve Seals: 503-16
Valve Springs: 947-16  /   944-16