California Emissions Equipment

Years 1963–79 Models 4 Factory citations 4

Also described as California emission controlEvaporative Emission ControlEvaporative emission controls

Documented applications

Camaro

1970–1970s Factory-verified

GM Heritage factory kit — 1970 Chevrolet Camaro, p.8.

Chevelle / El Camino

1970 Factory-verified

GM Heritage factory kit — 1970 Chevrolet Chevelle, p.18.
GM Heritage factory kit — 1970 Chevrolet El Camino, p.23.

Corvette (C3)

1970 Factory-verified

$36.90; 1,758 built

GM Heritage factory kit — 1970 Chevrolet Corvette, p.5.

Impala / Full-Size

1963–70s (varies) Confirmed

This page aggregates every documented appearance of NA9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.