Product Summary

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

    Key Specs

    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)218
    Exhaust Duration (.050" Lift)224
    RPM Range1300 to 5500
    Lobe Separation112 °

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    COMP Cams CL12-236-3 Details

    COMP Cams Xtreme Marine XM262H-12 Cam and Lifter Kit for Small Block Chevy.

    Chevrolet 262-400 c.i. 8 cyl. 1958-1998. For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam - Biggest Cam For Inboard/Outboard, Good Mid-Range w/ Excellent Response, Noticeable Idle. SMALL BLOCK CHEVY Hydraulic CAM AND LIFTER KIT - Xtreme Marine: Biggest cam for inboard/outboard, good mid-range with excellent response, noticeable idle.

    • Extremely wide powerband helps get boat on plane while making maximum horsepower
    • Work against exhaust systems with restrictive back pressure
    • Power enhancement helps maintain top-end speed for longer distances
    • Intended for applications where low idle speeds are required


    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 CL12-236-3 Specifications

    MFG. Part #CL12-236-3
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)218
    Exhaust Duration (.050" Lift)224
    RPM Range1300 to 5500
    Lobe Separation112 °
    Lifter TypeHydraulic Flat Tappet
    Intake Valve Lift w/ Rocker Arm Ratio0.462"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.477"
    Sold in QuantityKit
    Intake Duration262
    Exhaust Duration268
    GTIN Code036584041429
    Grind NumberCS XM 262H-12
    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 Included
    Rocker Arms IncludedNo
    Gaskets IncludedNo