VJ9 ✓ Factory-verified

Chevrolet · Regular Production Option

Exhaust Emissions Label (seen on several 71 & 72 Van Nuys but not all)

Years 1970–81 Models 4 Factory citations 4

Also described as California emission compliance labelExhaust Emissions LabelExhaust Emission StickerCalifornia emission certification label

Documented applications

Camaro →

• 1970s–1981 ● Confirmed

Chevelle / El Camino →

• 1971–1972 ✓ Factory-verified

  footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend)

  ⛭ GM Heritage factory kit — 1971 Chevrolet El Camino, p.85.

  ⛭ GM Heritage factory kit — 1972 Chevrolet Chevelle, p.57.
• 1971–1972 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1971 Chevrolet El Camino, p.85.

  ⛭ GM Heritage factory kit — 1972 Chevrolet Chevelle, p.57.

Corvette (C3) →

• 1975 ◑ Single-source

  price/qty NA

Nova / Chevy II →

• 1975 ● Confirmed

This page aggregates every documented appearance of VJ9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.