PX1 ◑ Single-source

Pontiac · Regular Production Option

Wheels, aluminum, turbo finned, 13 x 5.5

Years 1985 Models 1

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Also documented for Chevrolet

Documented applications

Fiero (1984–1988) →

• 1985 ◑ Single-source

  1985 from the OSG wheel page; the Halderman list agrees

This page aggregates every documented appearance of PX1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.