White Letter Steel Belted Tires GR70x15

Years 1963–79 Models 2 Factory citations 5

Also described as Raised White Letter Steel Belted Tires GR70x15BGR701-15 radial white letter

Documented applications

Corvette (C3)

1973 Factory-verified

$45.00; 4,541 built

GM Heritage factory kit — 1973 Chevrolet Corvette, p.34.
1974 Factory-verified

$45.00; 24,102 built

GM Heritage factory kit — 1974 Chevrolet Corvette, p.7.
1975 Factory-verified

$48.00; 30,407 built

GM Heritage factory kit — 1975 Chevrolet Corvette, p.7.
1976 Factory-verified

$51.00; 39,923 built

GM Heritage factory kit — 1976 Chevrolet Corvette, p.22.
1977 Disputed

46,227 built; price disputed: $59.00 (CAC) vs $57.00 (corvettestory); factory kit confirms RPO QRZ (qty 46,227) but its price column is not legible

GM Heritage factory kit — 1977 Chevrolet Corvette, p.48.

Impala / Full-Size

1963–70s (varies) Single-source

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