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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    L25 Factory-verified

    Chevrolet · Regular Production Option

    292 cid I6

    Years 1963–82 Models 1 Factory citations 2

    Also described as 292 cid I6 (292T)

    Documented applications

    C/K Trucks
    • 1963–66 Factory-verified

      Optional big six

      GM Heritage factory kit — 1965 Chevrolet Truck, p.19.
      GM Heritage factory kit — 1966 Chevrolet Truck, p.24.
    • 1967–72 Confirmed

      Optional big six

    • 1973–82 Confirmed

      3/4-, 1-ton and HD 1/2

    This page aggregates every documented appearance of L25 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.