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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    W53 Confirmed

    Pontiac · Regular Production Option

    Sprint OHC-6 4-bbl (230 cid, 215 hp)

    Years 1969 Models 1

    Documented applications

    This page aggregates every documented appearance of W53 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.