Appearance Guard Group (GRP1 in 68)

Years 1963–79 Models 3 Factory citations 3

Also described as Appearance Guard groupAppearance Guard GroupAppearance gaurd group

Documented applications

Camaro

1968–1969 Factory-verified

B37, B93, D34(69), V31, V32

GM Heritage factory kit — 1969 Chevrolet Camaro, p.182.
1970s Confirmed

B93 + B37 + D34

Chevelle / El Camino

1970–1972 Factory-verified

footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend)

GM Heritage factory kit — 1971 Chevrolet Chevelle, p.59.
GM Heritage factory kit — 1972 Chevrolet Chevelle, p.41.

Impala / Full-Size

1963–70s (varies) Confirmed

This page aggregates every documented appearance of ZP5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.