Special suspension/steering (Monte Carlo SS content)

Years 1967–72, 1984, 1987–89 Models 3 Factory citations 4

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Also described as Sierra Grande (GMC trim)Exterior molding package, bright

Also documented for Buick

Documented applications

Monte Carlo

1970–1971 Single-source

internal code per 348-409.com

C/K Trucks

1967–72 Single-source

GMC only — see gmc/README

Celebrity — A-body (1982–1990)

1984, 1987–1989 Factory-verified

Made up of B51 and B96 moldings; black-finished on the Eurosport; 1985–1986 are not claimed: no dated page of those years prints the code as an entry of its own

GM Heritage factory kit — 1984 Chevrolet Celebrity, p.44.
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.44.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.47.
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.7.

This page aggregates every documented appearance of Z17 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.