Cosworth Vega twin-cam 122ci (2.0L) I4, EFI

Years 1967–68, 1975–76, 1986, 1989, 1991–93 Models 5 Factory citations 7

Also described as Chassis & body misc. deleteCaprice Classic model optionMonte Carlo LS, model optionTrim, blackout package

Also documented for GMC

Documented applications

Camaro

1967–1968 Single-source

export

Vega / Monza

1975–1976 Factory-verified

110 hp; 2,061 built 1975 (all black/gold), 1,447 in 1976; numbered dash plaques

GM Heritage factory kit — 1975 Chevrolet Vega, p.4.

Caprice — fourth generation, B-body (1991–1996)

1991–1992 Factory-verified

on the 1BL19 sedan; the weight sheets name it in their remarks and footnotes (1BL19 with Z09 is the Caprice Classic)

GM Heritage factory kit — 1991 Chevrolet Caprice, p.79.
GM Heritage factory kit — 1992 Chevrolet Caprice, p.43.

Monte Carlo — fourth generation (1983–1988)

1986 Factory-verified

model 1GZ37/Z09; its own front, side and rear appearance with composite halogen headlamps and specific taillamps; the 1987–1988 kits name the base 1GZ37 coupe the LS and print no Z09

GM Heritage factory kit — 1986 Chevrolet Monte Carlo, p.34.

S-10 pickup — First generation (1982–1993)

1989, 1992–1993 Factory-verified

blackout headlamp bezels and grille; requires YC2 in 1992–1993

GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
GM Heritage factory kit — 1992 Chevrolet S 10, p.18.
GM Heritage factory kit — 1993 Chevrolet S 10, p.12.

This page aggregates every documented appearance of Z09 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.