Tires, P245/50VR16 blackwall, steel belted radial

Years 1986–88 Models 1 Factory citations 2

Also documented for Chevrolet

Documented applications

Firebird — Third generation (1982–1992)

1986–1988 Factory-verified

Firebird years: thirdgen.org label decodes 1986; 3rdgenformula option pages 1987–1988; shared F-body code; cited from the Camaro kits

GM Heritage factory kit — 1987 Chevrolet Camaro, p.16.
GM Heritage factory kit — 1988 Chevrolet Camaro, p.33.

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