We use cookies to provide you with the best possible user experience. By continuing to use our site, you agree to their use. To learn more, view our Cookie Policy.
Drag Race 4/7 Swap 279/286 Solid Roller Cam for Chevrolet Small Block
MECHANICAL ROLLER-400 c.i.+ engines, good heads, high compression, 0.900 base circle.
SKU
12-821-14
$424.97
SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a camshaft with the oiling groove, please call us at 1-800-999-0853 or click here to contact us, and we will assist you with placing an order.
Grind Number: 47S 312R-8
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range: 5,000-7,500
Cam Type: Solid Roller
Lifter Style: Solid Roller
Camshaft Series: Drag Race 4 and 7 Swap Firing Order (.900" Base Circle)
Camshaft Gear Attachment: 3-Bolt
Usage: Strip
Valve Springs Required: Yes
Camshaft Material: Billet Steel
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 312
Advertised Exhaust Duration: 325
Intake Duration at .050 Inch Lift: 279
Exhaust Duration at .050 Inch Lift: 286
Intake Valve Lift: 0.679
Exhaust Valve Lift: 0.645
Lobe Separation: 108
Assembly Lubricant Included: No
Valve Timing @ 0.05 Lift:
Exhaust Close ATDC: 35
Exhaust Open BBDC: 71
Intake Open BTDC: 32
Intake Close ABDC: 67
Note
Description
14Requires upgraded gear, thrust button & wear plate
