Reference Details
- Availability
- factory
- Category
- performance
- Code
- POSI
- Confidence
- documented
- Notes
- Carrier, ratio, housing, dates, and records define one installation.
Option reference
POSI Positive-traction differential
performance · factory
Cars With This Option
1 linked car page.
1963 Buick
1963 Buick Wildcat
Two-door hardtop, four-door sedan or hardtop, or convertible