- 2001–2004 Factory-verified
2003 order guide: 5-spoke aluminum
GM Heritage factory kit — 2003 Chevrolet Corvette, p.126.
QG1 Factory-verified
Documented applications
This page aggregates every documented appearance of QG1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.