J42 ◑ Single-source

Pontiac · Regular Production Option

Brakes, power, front disc and rear drum, aluminum

Years 1987, 1989, 1991–92 Models 1

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Documented applications

Firebird — Third generation (1982–1992) →

• 1987, 1989, 1991–1992 ◑ Single-source

  Firebird years: 3rdgenformula option pages 1987, 1989, 1991–1992

This page aggregates every documented appearance of J42 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.