Product Summary

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

    Key Specs

    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)206
    Exhaust Duration (.050" Lift)214
    RPM Range600 to 4600
    Lobe Separation111 °

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    COMP Cams K12-231-2 Details

    K12-231-2 - Camshaft Kit, CS X4 250H-11.

    Chevrolet 262-400 c.i. 8 cyl. 1958-1998. For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam - Very Strong Torque, Smooth Idle, Excellent Mileage. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

    • Improved throttle response & increased low & mid-range RPM horsepower for towing & off-road
    • Designed for use with common restrictive factory exhaust systems, including OEM exhaust manifolds


    1958-98 Chevy 262-400

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    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, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. 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 K12-231-2 Specifications

    MFG. Part #K12-231-2
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)206
    Exhaust Duration (.050" Lift)214
    RPM Range600 to 4600
    Lobe Separation111 °
    Lifter TypeHydraulic Flat Tappet
    Intake Valve Lift w/ Rocker Arm Ratio0.432"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.453"
    Sold in QuantityKit
    Intake Duration250
    Exhaust Duration258
    GTIN Code036584041054
    Grind NumberCS X4 250H-11
    External Ignition Box RequiredNo
    Valve Springs RequiredNo
    Valve Spring IncludedYes
    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