Reference Details
- Availability
- optional · 1963 Buick Riviera
- Category
- chassis · 1963 Buick Riviera
- Code
- positive traction · 1963 Buick Riviera
- Confidence
- documented · 1963 Buick Riviera
- Notes
- The 1963 model matrix marks Y6 available on model 4747; verify axle identity, ratio, and installation through car-level evidence. · 1963 Buick Riviera
- Availability
- factory · 1964 Buick Wildcat
- Category
- performance · 1964 Buick Wildcat
- Code
- POSITIVE-TRACTION · 1964 Buick Wildcat
- Confidence
- documented · 1964 Buick Wildcat
- Notes
- Carrier, ratio, housing, transmission, dates, and records define one installation. · 1964 Buick Wildcat