400 Ram Air IV (370 hp) — required 4-speed or auto, Safe-T-Track, 3.90 axle

Years 1969–70 Models 2

Also described as Ram Air IV — required 4-speed/auto, Safe-T-Track, 3.90 axle400 Ram Air IV (370 hp)

Documented applications

Firebird / Trans Am

1969 Confirmed

Firebird 400 / Trans Am; 1970 RA IV became LS1

GTO

1969–1970 Confirmed

GTO/Judge
1970 Confirmed

GTO (Firebird's 1970 RA IV used UPC LS1)

This page aggregates every documented appearance of L67 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.