- 1963–70s (varies) Single-source
PH1 Factory-verified
Also described as 15X7 wheel
Also documented for GMCOldsmobile
Documented applications
- 1998–2005 Factory-verified
- 1998–2004 Factory-verified
This page aggregates every documented appearance of PH1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.