Rear Differential
Stock Differentials
Offset to the passenger side.
Left axle shaft 34 13/16"
Right axle shaft 30 5/16"
GM 7.5
Years Used on Astro / Safari Van: (1982 - 1988)
10 bolt cover with 7.5" ring rear. Uses 26 spline c/clip axles.
GM 7.6
Years Used on Astro / Safari Van: (1989 - 2005)
10 bolt cover with 7.6" ring gear. Uses 28 spline c/clip axles.
Carriers
Limited Slip and Lockers
Eaton Truetrac Helical
Upgrade Research
GM 9.5
Years Used on 3/4 Ton GM Pickup: (1979 - 2006)
14 bolt rear with 9.5" ring gear. Has 33 spline c/clip axles.
No removable pinion support on the front.