RPOARCHIVE
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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    YF3 Factory-verified

    Chevrolet · Regular Production Option

    Bumper equipment override

    Years 1971–72, 1975 Models 2 Factory citations 4

    Also described as Heavy Chevy PackageHeavy Chevy package

    Documented applications

    Chevelle / El Camino
    • 1971–1972 Factory-verified
      GM Heritage factory kit — 1971 Chevrolet Chevelle, p.58.
      GM Heritage factory kit — 1972 Chevrolet Chevelle, p.58.
    • 1971–1972 Factory-verified

      Budget muscle trim on Malibu sport coupe; any V8 except 454

      GM Heritage factory kit — 1971 Chevrolet Chevelle, p.58.
      GM Heritage factory kit — 1972 Chevrolet Chevelle, p.58.

    This page aggregates every documented appearance of YF3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.