Convenience group

Years 1963–79 Models 3 Factory citations 3

Also described as Convenience Group

Documented applications

Chevelle / El Camino

1966 Factory-verified

GM Heritage factory kit — 1966 Chevrolet Chevelle, p.83.
GM Heritage factory kit — 1966 Chevrolet El Camino, p.3.

Impala / Full-Size

1963–70s (varies) Confirmed

Nova / Chevy II

1966 Factory-verified

GM Heritage factory kit — 1966 Chevrolet Nova, p.6.

This page aggregates every documented appearance of Z19 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.