RPOARCHIVE
Loading index…

    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    KD5 Factory-verified

    Chevrolet · Regular Production Option

    Heavy Duty Closed Positive Ventilation

    Years 1963–79 Models 4 Factory citations 6

    Also described as HD closed positive engine ventilationH.D. PCV systemHeavy duty closed positive vent

    Documented applications

    Camaro
    • 1968–1969 Factory-verified

      from Oct 67

      GM Heritage factory kit — 1968 Chevrolet Camaro, p.130.
      GM Heritage factory kit — 1969 Chevrolet Camaro, p.160.
    Chevelle / El Camino
    • 1968–1969 Factory-verified
      GM Heritage factory kit — 1968 Chevrolet Chevelle, p.79.
      GM Heritage factory kit — 1969 Chevrolet El Camino, p.7.
    Nova / Chevy II
    • 1968–1969 Factory-verified
      GM Heritage factory kit — 1968 Chevrolet Nova Coupe, p.6.
      GM Heritage factory kit — 1969 Chevrolet Nova, p.9.

    This page aggregates every documented appearance of KD5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.