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Magnum/Drag Race 253/253 Hydraulic Flat Cam for Chevrolet Small Block

Magnum/Drag Race 253/253 Hydraulic Flat Cam for Chevrolet Small Block

Magnum 224/224 Solid Flat Cam and Lifter Kit for Chevrolet Small Block

Magnum 224/224 Solid Flat Cam and Lifter Kit for Chevrolet Small Block

Drag Race 242/250 Solid Flat Cam for Chevrolet Small Block

$319.95

SOLID-Good torque for heavy car, 10:1 compression. 3000+ stall.

In stock
SKU
12-221-5
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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 036584640288
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range 3,000-6,000
Cam Type Mechanical Flat Tappet
Camshaft Series Drag Race
Camshaft Gear Attachment 3-Bolt
Usage Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 280
Advertised Exhaust Duration 285
Intake Duration at .050 Inch Lift 242
Exhaust Duration at .050 Inch Lift 250
Lobe Lift Intake 0.339
Lobe Lift Exhaust 0.356
Lobe Separation 108
Intake Centerline 108
Valve Timing Lift 0.02
Exhaust Close ATDC 34
Intake Open BTDC 29
Exhaust Open BBDC 70
Intake Close ABDC 70
Lifter Style Mechanical Flat Tappet
12-221-5-camshaft cs 280s-8 (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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