Menu

Shop

Garage

Cart

Account

Product Summary

496, Hydraulic Roller Tappet Camshaft Type

    Comes as a Kit

    Key Specs

    BrandClay Smith Cams
    Camshaft TypeHydraulic Roller Tappet
    Intake Duration296
    Exhaust Duration300
    Lobe Separation107 °

    Need To Know

    This Product Will Ship Free

    Quick and Easy Returns

    Details

    These camshaft / lifter kits are perfect for use with BBC 477 to 496 with 4.25" stroke with Air Flow Research 290 or 305 heads to a max of 6000 rpm. Welcome to the brotherhood of 625HP on pump gas with over 640#/ft. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. Single plane will make 25 more HP and sacrifice 10#/ft. of torque. Carb of choice is a 950HP 4150. 2" headers are recommended. Be sure you have changed U-joints and upgraded rear gears. Muncie 4 speed, use at your own risk. Ok with power brakes. 900 RPM Idle.

    • Adv. - 296 / 300
    • .050" - 237 / 241
    • .200" - 154 / 151
    • Lift - .617 / .570
    • Centerlines - 103 / 111
    • Lobe Sep. - 107
    • Includes a set of tie-bar style hydraulic roller lifters

    Specifications

    KEY SPECS
    BrandClay Smith Cams
    Camshaft TypeHydraulic Roller Tappet
    Intake Duration296
    Exhaust Duration300
    Lobe Separation107 °
    GENERAL
    Intake Duration (.050" Lift)237
    Exhaust Duration (.050" Lift)241
    Sold in QuantitySet