Unknown tire size. (1965 Oshawa Line Schedule Tag)

Years 1963–79 Models 2 Factory citations 1

Also described as 7.50 X 14 6 ply blackwall rayon

Documented applications

Chevelle / El Camino

1965 Confirmed

Impala / Full-Size

1963–70s (varies) Factory-verified

GM Heritage factory kit — 1963 Chevrolet, p.13.

This page aggregates every documented appearance of P63 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.