Axle, rear, 2.73 ratio

Years 1987–92, 1998–02 Models 2 Factory citations 3

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Also documented for Cadillac Chevrolet GMC

Documented applications

Firebird — Third generation (1982–1992)

1987–1992 Single-source

Firebird years: 3rdgenformula option pages 1987–1992

Firebird — Fourth generation (1993–2002)

1998–2002 Factory-verified

shared F-body code; Chevrolet Camaro kit

GM factory document — 1998 pontiac firebird rpo code list, p.1.
GM factory document — 2002 pontiac firebird rpo code list, p.1.
GM Heritage factory kit — 1998 Chevrolet Camaro, p.73.

This page aggregates every documented appearance of GU2 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.