Why It Matters
The A9 package included a 3.42:1 positive-traction differential.
Also Known As
1965 Riviera GS positive traction
Part profile
1965 Riviera Gran Sport 3.42 axle
axle · Buick
Used On
1 linked car page.
two-door pillarless sport coupe
1965 Buick Riviera Gran Sport
A9 Gran Sport