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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    ZL1 Factory-verified

    Chevrolet · Regular Production Option

    Special 427 all-aluminum-block engine (L88 spec, aluminum block)

    Years 1969 Models 1 Factory citations 1

    Documented applications

    Corvette (C3)
    • 1969 Factory-verified

      $4,718.35; 2 built

      GM Heritage factory kit — 1969 Chevrolet Corvette, p.5.

    This page aggregates every documented appearance of ZL1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.