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Marine/Puller/Mud Race 270/280 Solid Roller Cam Chevrolet Big Block 396-454


MECHANICAL ROLLER-Use in 454 c.i. or larger engines. 11.5:1 compression


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.

  • Warning: Camshaft Optimized for use with a Melanized or Nitrided distributor gear. Not compatible with cast or steel gears without similar surface treatments. Failure to utilize the proper distributor gear will void all warranties and/or return policies.

  • More Information
    UPC 036584690023
    Manufacturer COMP Cams®
    Emissions Code
    Engine Family Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
    RPM Operating Range 4,500-7000
    Cam Type Solid Roller
    Camshaft Series Puller and Mud Race
    Camshaft Gear Attachment 3-Bolt
    Usage Marine
    California Proposition 65 WARNING: Cancer and Reproductive Harm
    Advertised Intake Duration 306
    Advertised Exhaust Duration 319
    Intake Duration at .050 Inch Lift 271
    Exhaust Duration at .050 Inch Lift 282
    Intake Valve Lift 0.68
    Exhaust Valve Lift 0.68
    Lobe Separation 110
    Valve Timing Lift 0.02
    Exhaust Close ATDC 49
    Intake Open BTDC 45
    Exhaust Open BBDC 89
    Intake Close ABDC 81
    Lifter Style Solid Roller