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Drag Race/Puller/Mud Race/O-Track 250/260 Solid Flat Cam Chevrolet Small Block

Drag Race/Puller/Mud Race/O-Track 250/260 Solid Flat Cam Chevrolet Small Block

Drag Race/Oval Track 255/266 Solid Flat Cam for Chevrolet Small Block

Drag Race/Oval Track 255/266 Solid Flat Cam for Chevrolet Small Block

Oval Track 255/266 Solid Flat Cam for Chevrolet Small Block

$324.95

SOLID-For faster 1/4 to 3/8 mile track, broad torque range.

In stock
SKU
12-610-5
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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.

More Information
UPC 036584540038
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range 3,500-6,800
Cam Type Solid Flat Tappet
Camshaft Series Oval Track
Camshaft Gear Attachment 3-Bolt
Usage Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 290
Advertised Exhaust Duration 304
Intake Duration at .050 Inch Lift 255
Exhaust Duration at .050 Inch Lift 266
Intake Valve Lift 0.54
Exhaust Valve Lift 0.534
Lobe Lift Intake 0.362
Lobe Lift Exhaust 0.358
Lobe Separation 104
Intake Centerline 104
Valve Timing Lift 0.02
Exhaust Close ATDC 48
Intake Open BTDC 41
Exhaust Open BBDC 76
Intake Close ABDC 69
Lifter Style Solid Flat Tappet
12-610-5-camshaft cs 290b-4 (219.89 kB)
Recommended Components
Component Part Number
Break-In Lube 159
Distributor Gears 12200
Valve Seals 503-16
Valve Locks 611-16
Steel Retainers 740-16
Steel Retainers 730-16
Valve Springs 987-16
Lifter Kit 800-16
Lifter Kit 813-16
Timing Set 3100
Timing Set 3100KT
Valve Springs 978-16
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