YZ ◑ Single-source

Pontiac · Regular Production Option

Engine block code: Ram Air III w/ auto

Years 1969 Models 1

Documented applications

GTO →

• 1969 ◑ Single-source

  Block letter code

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