K72 ● Confirmed

Chevrolet · Regular Production Option

Emission control - delete (Export)

Years 1963–79 Models 2

Also described as Emission control delete

Documented applications

Impala / Full-Size →

• 1963–70s (varies) ● Confirmed

Nova / Chevy II →

• 1975 ● Confirmed

This page aggregates every documented appearance of K72 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.