Oval Track 256/258 Solid Flat Cam for Chevrolet Small Block

SOLID-Late model stock, 1/4 to 3/8 track. 358 with limited intake and carb.

out of stock
SKU
12-654-5
TEMPORARILY OUT OF STOCK, ORDER NOW!
$324.95

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.

Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range: 3200-7,200
Grind Number: 286XO-8
Cam Type: Solid Flat Tappet
Lifter Style: Solid Flat Tappet
Camshaft Series: Xtreme Oval
Usage: Strip
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 286
Advertised Exhaust Duration: 292
Intake Duration at .050 Inch Lift: 252
Exhaust Duration at .050 Inch Lift: 258
Intake Valve Lift: 0.549
Exhaust Valve Lift: 0.537
Lobe Lift Intake: 0.366
Lobe Lift Exhaust: 0.358
Lobe Separation: 108
Intake Centerline: 108
Exhaust Close ATDC: 21
Intake Open BTDC: 20
Exhaust Open BBDC: 57
Intake Close ABDC: 56
Camshaft Gear Attachment: 3-Bolt
Component Part Number
Break-In Lube: 159
Distributor Gears: 12200
Lifter Kit: 800-16  /   813-16
Timing Set: 3100  /   3100KT
Valve Locks: 611-16
Valve Seals: 503-16
Valve Springs: 950-16  /   26094-16