Product Summary

L76, LQ4, LQ9, LR4, LS1, LS2, LS7, LY2, LY6

    Key Specs

    MFG. Part #
    BrandKing Bearings
    Bearing ConstructionTri-metal

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    King Engine Bearings XP-Series Main Bearings.  The XP series in a line of bearings with advanced metallurgical and geometric technologies that meet extreme performance loads.  It was developed for all performance applications that use forged steel aftermarket crankshafts and produce high loads for extended periods.

    • Features a unique tri-metal structure that is 24% harder than any other conventional tri-metal race bearing
    • Sold as a Kit

    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.


    MFG. Part #
    BrandKing Bearings
    Bearing ConstructionTri-metal
    Speedway Motors Catalog Part #910-5013XP
    Grooved BearingYes
    Groove LocationUpper and Lower
    Groove Style1/2
    Bearing MaterialTri-metal copper-lead nickel
    Sold in QuantitySet