Authenticity reference

Body style on body plate

trim correctness · documented

1972 GS Stage 1 identification checks for the V VIN, WS engine code, and supporting records 1972 Buick GS Stage 1

Reference Details

Common issue: Skylark/Skylark Custom body styles can be visually converted with GS trim.
Confidence: documented
Correct value: 4G37 for GS hardtop or 4G67 for GS convertible
Where to check: Body number plate on firewall below rear edge of hood

1 linked car page.

1972 Buick

Factory GS Stage 1 performance configuration