Redline Tires 7.75x15, nylon cord

Years 1963–79 Models 2 Factory citations 1

Also described as 7.75x15 Redline Tires

Documented applications

Corvette (C1 / C2)

1967 Factory-verified

$46.65; 4,230 built; replaced T01 goldwalls

GM Heritage factory kit — 1967 Chevrolet Corvette, p.57.

Impala / Full-Size

1963–70s (varies) Single-source

This page aggregates every documented appearance of QB1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.