GM8 ● Confirmed

Buick · Regular Production Option

Axle, rear, 2.56 ratio

Years 1987 Models 1

Query this via API →

Also documented for CadillacChevrolet

Documented applications

Regal — G-body (1983–1987) →

• 1987 ● Confirmed

  no-charge option; gnttype.org's 1987 option sheet

This page aggregates every documented appearance of GM8 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.