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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    GM1 Factory-verified

    Chevrolet · Regular Production Option

    Axle, rear, 2.59 ratio

    Years 1992–96 Models 1 Factory citations 5
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    Documented applications

    Corvette — C4 (1984–1996)
    • 1992–1996 Factory-verified

      1989 is not claimed: only the preliminary 1989 engineering and product-direction pages print it; the 1993, 1995 pages print GMI

      GM Heritage factory kit — 1992 Chevrolet Corvette, p.32.
      GM Heritage factory kit — 1993 Chevrolet Corvette, p.17.
      GM Heritage factory kit — 1994 Chevrolet Corvette, p.63.
      GM Heritage factory kit — 1995 Chevrolet Corvette, p.103.
      GM Heritage factory kit — 1996 Chevrolet Corvette, p.62.

    This page aggregates every documented appearance of GM1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.