Engine, 5.7L V8, 4 barrel

Years 1983–86 Models 4 Factory citations 13

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Also documented for Chevrolet

Documented applications

Jimmy (full-size) — Square body (1983–1991)

1983–1986 Factory-verified

only with YF5 California emissions; shared square-body platform code; cited from the Chevrolet Blazer kit

GM Heritage factory kit — 1983 Chevrolet Blazer, p.8.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.12.
GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.10.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.10.

Sierra — Square body (1983–1991)

1984–1986 Factory-verified

shared platform code; cited from the square-body C/K pickup kits; the option pages list the 5.7 liter (350 cu in) 4 barrel V8

GM Heritage factory kit — 1984 Chevrolet Truck, p.22.
GM Heritage factory kit — 1985 Chevrolet Truck, p.22.
GM Heritage factory kit — 1986 Chevrolet Truck, p.21.

Suburban — Square body (1983–1991)

1983–1986 Factory-verified

the 5.7 liter (350 cu in) 4 barrel V8, standard on the K10/1500 and optional on the C10/1500; 1984 from the power team chart, which heads its K10906 teams with LS9; shared square-body platform code; cited from the Chevrolet Suburban kit

GM Heritage factory kit — 1983 Chevrolet Suburban, p.13.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.9.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.15.

Vandura and Rally — Second generation G-series (1983–1996)

1984, 1986 Factory-verified

350 cu in; Rally passenger van: standard on G30 without C6P; shared G-van platform code; cited from the Chevrolet G-Van kit

GM Heritage factory kit — 1984 Chevrolet G Van, p.14.
GM Heritage factory kit — 1986 Chevrolet G Van, p.21.

This page aggregates every documented appearance of LS9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.