Product Summary

Solid Flat Tappet Camshaft Type, 2400 to 6800 RPM Range

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    Key Specs

    Camshaft TypeSolid Flat Tappet
    Intake Duration (.050" Lift)244
    Exhaust Duration (.050" Lift)252
    RPM Range2400 to 6800
    Lobe Separation110 °
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    COMP Cams CL12-678-4 Details

    COMP Cams Xtreme Energy XS282S-10 Cam and Lifter Kit for Small Block Chevy.

    Chevrolet 262-400 c.i. 8 cyl. 1955-1998. Solid-Street/Strip, 2800+ stall, likes headers and gears, rough idle. SMALL BLOCK CHEVY SOLID CAM AND LIFTER KIT - Xtreme Energy: Street/strip, 2800+ stall, likes headers and gears, rough idle.

    • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
    • More vacuum allows an increase in duration for improved performance & assists power brakes
    • Excellent performance in street carbureted applications
    • Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.

    Application

    1958-2002 Chevy 262-400

    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 CL12-678-4 Specifications

    KEY SPECS
    MFG. Part #CL12-678-4
    BrandCOMP Cams
    Camshaft TypeSolid Flat Tappet
    Intake Duration (.050" Lift)244
    Exhaust Duration (.050" Lift)252
    RPM Range2400 to 6800
    Lobe Separation110 °
    Lifter TypeMechanical/Solid Flat Tappet
    GENERAL
    Intake Valve Lift w/ Rocker Arm Ratio0.52"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.54"
    Sold in QuantityKit
    Intake Duration282
    Exhaust Duration290
    GTIN Code036584080398
    Grind NumberCS XS282S-10
    Intake Valve Lash0.016
    Exhaust Valve Lash0.016
    External Ignition Box RequiredNo
    Valve Springs RequiredYes
    Valve Spring IncludedNo
    Lifters IncludedYes
    Retainers IncludedNo
    Locks IncludedNo
    Valve Stem Seals IncludedNo
    Timing Chain and Gears IncludedNo
    Assembly Lubricant IncludedYes
    Pushrods IncludedNo
    Rocker Arms IncludedNo
    Gaskets IncludedNo

    Questions & Answers

    Fitment

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    • 350 Chevy Small Block V8

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