573B ◑ Single-source

Chevrolet · Regular Production Option

335hp 348

Years 1961 Models 1

Documented applications

Impala / Full-Size →

• 1961 ◑ Single-source

  3-2 bbls; hi-po solid cam; hi-po heads

This page aggregates every documented appearance of 573B in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.