Oval Track 259/268 Solid Roller Cam for Chevrolet Small Block

MECHANICAL ROLLER-(.900 BC) 383-415 IMCA, late model, modifieds, Great torque.

In stock
SKU
12-861-9
$424.95

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.

Camshaft Material:
Valve Springs Required:
Assembly Lubricant Included:
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range: 3,400-7,600
Grind Number: 287TKNR-7
Cam Type: Solid Roller
Lifter Style: Solid Roller
Camshaft Series: Oval Track Xtreme TK (.900" Base Circle)
Usage: Strip
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 287
Advertised Exhaust Duration: 300
Intake Duration at .050 Inch Lift: 259
Exhaust Duration at .050 Inch Lift: 268
Intake Valve Lift: 0.648
Exhaust Valve Lift: 0.645
Lobe Separation: 107
Exhaust Close ATDC: 23
Intake Open BTDC: 27
Exhaust Open BBDC: 64
Intake Close ABDC: 52
Camshaft Gear Attachment: 3-Bolt
Note Description
1414
4646
Component Part Number
Break-In Lube: 159
Distributor Gears: 12200  /   412
Lifter Kit: 891-16
Steel Retainers: 733-16  /   731-16
Timing Set: 3100KT
Valve Locks: 611-16
Valve Seals: 503-16
Valve Springs: 26099-16  /   26089-16