Product Summary

262, 267, 283, 302, 305, 307, 327, 350, 400

    Key Specs

    MFG. Part #K12-601-4
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)235
    Exhaust Duration (.050" Lift)249

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    COMP Cams K12-601-4 Details

    K12-601-4 - Camshaft Kit, CS 287T H-107 MT THUMPR.

    Chevrolet 262-400 c.i. 8 cyl. 1958-1998. For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam - High Performance Street/Strip, Needs 9:1 Compression, 2500+ Stall, Intake, Gears & Headers, Rough Idle. Thumpr. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

    • Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods
    • Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
    • Best with aftermarket converters & more rear gear


    1958-98 Chevy 262-400

    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 K12-601-4 Specifications

    MFG. Part #K12-601-4
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)235
    Exhaust Duration (.050" Lift)249
    Speedway Motors Catalog Part #282-K126014
    Intake Duration287
    Exhaust Duration305
    RPM Range2200 to 6100
    Lobe Separation107 °
    GTIN Code036584182221
    Grind Number287TH7
    Intake Valve Lift w/ Rocker Arm Ratio0.489"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.476"
    External Ignition Box RequiredNo
    Valve Springs RequiredNo
    Valve Spring IncludedYes
    Lifter TypeHydraulic Flat Tappet
    Lifters IncludedYes
    Retainers IncludedYes
    Locks IncludedYes
    Valve Stem Seals IncludedYes
    Timing Chain and Gears IncludedYes
    Assembly Lubricant IncludedYes
    Pushrods Included
    Rocker Arms IncludedNo
    Gaskets IncludedNo
    Sold in QuantityKit