F70-14 fiberglass-belted white-letter tires

Years 1963–79 Models 3 Factory citations 1

Also described as F70-14B G/B White LetterF70-14 White letter tire

Documented applications

Camaro

1969 Confirmed

~May 69

Chevelle / El Camino

1970 Factory-verified

GM Heritage factory kit — 1970 Chevrolet Chevelle, p.86.

Impala / Full-Size

1963–70s (varies) Confirmed

This page aggregates every documented appearance of PL4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.