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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    "4-4-2" (order-form designation) Single-source

    Oldsmobile · Regular Production Option

    4-4-2 package: new 400 CID V-8, 345 hp; meaning now 400 CID/4-bbl/dual exhaust

    Years 1965 Models 1

    Documented applications

    This page aggregates every documented appearance of "4-4-2" (order-form designation) in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.