QRN ◑ Single-source

Chevrolet · Regular Production Option

Highway Radial Blackwall Tires (base)

Years 1963–79 Models 2

Also described as GR70-15 radial

Documented applications

Corvette (C3) →

• 1973 ◑ Single-source

  price/qty NA

Impala / Full-Size →

• 1963–70s (varies) ◑ Single-source

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