Oval Track 261/270 Solid Roller Cam for Chevrolet Small Block

MECHANICAL ROLLER-(.900 BC) 383-415 Great baseline late model wih 1.6RR.

Available Soon
Available Soon items may take 2-4 weeks for delivery.

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: 3600-7,800
Grind Number: 289TKNR-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: 289
Advertised Exhaust Duration: 302
Intake Duration at .050 Inch Lift: 261
Exhaust Duration at .050 Inch Lift: 270
Intake Valve Lift: 0.648
Exhaust Valve Lift: 0.645
Lobe Separation: 107
Exhaust Close ATDC: 24
Intake Open BTDC: 28
Exhaust Open BBDC: 65
Intake Close ABDC: 53
Camshaft Gear Attachment: 3-Bolt
Note Description
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