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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    457 Factory-verified

    Chevrolet · Regular Production Option

    Heavy-duty rear axle

    Years 1960 Models 1 Factory citations 1

    Documented applications

    C/K Trucks
    • 1960 Factory-verified

      Bundled w/ HD rear springs + Midland vacuum brake

      GM Heritage factory kit — 1960 Chevrolet Truck, p.26.

    This page aggregates every documented appearance of 457 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.