Axle, rear, limited slip differential

Years 1969–81, 1986–92, 1998–02, 2004–09 Models 8 Factory citations 14

Also described as Safe-T-Track differentialSafe-T-Track axleAxle, PositractionDifferential, limited slipAxle, positraction, limited slip

Also documented for Buick Cadillac Chevrolet GMC Oldsmobile Saturn

Documented applications

Firebird / Trans Am

1970–1981 Confirmed
1975 Confirmed

GTO

1969+ Confirmed

Corporate UPC (replaces sales code 731)

Firebird — Third generation (1982–1992)

1986–1992 Factory-verified

the cited 1990 Camaro axle page prints G8O (letter O); the zero form is the code; Firebird years: Wikipedia 1989; thirdgen.org label decodes 1986; 3rdgenformula option pages 1987–1992; shared F-body code; cited from the Camaro kits

GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.
GM Heritage factory kit — 1987 Chevrolet Camaro, p.15.
GM Heritage factory kit — 1988 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1989 Chevrolet Camaro, p.49.
GM Heritage factory kit — 1990 Chevrolet Camaro, p.8.

Firebird — Fourth generation (1993–2002)

1998–2002 Factory-verified

2001–2002 lists add "limited slip"

GM factory document — 1998 pontiac firebird rpo code list, p.1.
GM factory document — 2002 pontiac firebird rpo code list, p.1.

G8 — Zeta (2008–2009)

2008–2009 Factory-verified

GM factory document — 2008 pontiac g8 rpo code list, p.1.
GM factory document — 2009 pontiac g8 rpo code list, p.1.

Grand Prix — G-body (1983–1987)

1986 Single-source

the dealer listing of one restored 1986 2+2, which cannot show whether the item was ordered alone or in a group, so the row is single-source; shared G-body code; cited from the Chevrolet Monte Carlo kit

GM Heritage factory kit — 1986 Chevrolet Monte Carlo, p.32.

GTO — Fifth generation (2004–2006)

2004–2006 Factory-verified

GM factory document — 2004 pontiac gto rpo code list, p.1.
GM factory document — 2006 pontiac gto rpo code list, p.1.

Solstice — Kappa (2006–2009)

2006–2009 Factory-verified

GM factory document — 2006 pontiac solstice rpo code list, p.1.
GM factory document — 2009 pontiac solstice rpo code list, p.1.

This page aggregates every documented appearance of G80 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.