Product Summary

Solid Flat Tappet Camshaft Type, 2400-6800 RPM Range

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    Key Specs

    Camshaft TypeSolid Flat Tappet
    RPM Range2400-6800
    Intake Duration (.050" Lift)244
    Exhaust Duration (.050" Lift)252
    Lobe Separation110 °
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    COMP Cams 12-678-4 Details

    XTREME Energy™ Mechanical Flat Tappet Camshafts

    Solid-Street/Strip, 2800+ stall, likes headers and gears, rough idle.

    Chevrolet 262-400 c.i. 8 cyl. 1955-1998

    Guides & Documents

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    COMP Cams 12-678-4 Specifications

    KEY SPECS
    MFG. Part #12-678-4
    BrandCOMP Cams
    Camshaft TypeSolid Flat Tappet
    RPM Range2400-6800
    Intake Duration (.050" Lift)244
    Exhaust Duration (.050" Lift)252
    Lobe Separation110 °
    GENERAL
    Gear Attachment3-Bolt
    Intake Valve Lift w/ Rocker Arm Ratio0.520"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.540"
    Intake Duration282
    Exhaust Duration290
    Material TypeCast Iron
    Sold in QuantityEach
    Grind NumberXS282S
    GTIN Code036584070269
    External Ignition Box RequiredNo
    Valve Springs RequiredYes

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