348 ◑ Single-source

Pontiac · Regular Production Option

400 HO engine option

Years 1968 Models 2

Documented applications

Firebird / Trans Am →

• 1968 ◑ Single-source

GTO →

• 1968 ◑ Single-source

  As above (Firebird-documented sales code)

This page aggregates every documented appearance of 348 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.