Why It Matters
The GS package included 3.42:1 positive traction.
Also Known As
1966 Riviera GS positive traction
Part profile
1966 Riviera Gran Sport 3.42 axle
axle · Buick
Used On
1 linked car page.
two-door fastback sport coupe
1966 Buick Riviera Gran Sport
MW 425, 340 gross hp