Product Summary

289, 302, 351C, Non Roller Rocker Arm Style, Steel

    Key Specs

    MFG. Part #1231-1
    Rocker Arm StyleNon Roller
    Rocker Arm Ratio1.6
    Stud Size0.375"
    Material TypeSteel

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    COMP Cams 1231-1 Details

    COMP Cams High Energy Steel Rocker Arm, 1.6 Ratio, 3/8" Stud Diameter for Ford 289-302 and 351 Windsor, Single Piece.

    These COMP Cams High Energy Steel Rocker Arms designed for Small Block Ford 289-302 and 351 Windsor applications help eliminate the noise and slop associated with older worn and high mileage stock rocker arms. With a long slot for higher than stock lift Camshafts, these rocker arms are an excellent replacement choice for engine rebuilds using either stock or High Energy Camshafts.

    • Excellent replacement rocker arms for engine rebuilds with a stock or High Energy Camshaft
    • Help to eliminate noise and slop associated with worn or high mileage stock rockers
    • Include adjusting nuts and pivot balls where required
    • Feature a long slot for higher than stock lift Camshafts
    • Valve train deflectors recommended when using a high volume or high pressure oil pump
    • Nitrided rockers are designed for higher valve spring pressures and hardened pushrods
    • Nitriding increases hardness, thus improving durability and longevity of rocker arms


    1968-77 Ford 289-351

    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 1231-1 Specifications

    MFG. Part #1231-1
    BrandCOMP Cams
    Rocker Arm StyleNon Roller
    Rocker Arm Ratio1.6
    Stud Size0.375"
    Material TypeSteel
    Rocker Arm Nut StyleSelf-Locking
    Sold in QuantityEach
    Spring Diameter1.5"
    Rocker Arm Body StyleStandard
    Rocker Arm Mounting StyleStud
    Shims IncludedNo
    GTIN Code036584320210