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Marine 253/260 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454


HYDRAULIC: B impeller in jet boat. River drags and brackets. Use tunnel ram.


BBC - 1965-66 396 c.i. 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 036584079514
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
RPM Operating Range 3,800-6,800
Cam Type Hydraulic Flat Tappet
Camshaft Series Marine
Camshaft Gear Attachment 3-Bolt
Usage OEM
California Proposition 65 WARNING: Cancer and Reproductive Harm
Advertised Intake Duration 305
Advertised Exhaust Duration 312
Intake Duration at .050 Inch Lift 253
Exhaust Duration at .050 Inch Lift 260
Intake Valve Lift 0.575
Exhaust Valve Lift 0.6
Lobe Separation 110
Lifter Style Hydraulic Flat Tappet