Your differential is the set of gears that allows your vehicle’s driven wheels to revolve at different speeds by splitting your engine torque in two directions…
| Make | Inspection Cover | Bolt Count | Differential |
|---|---|---|---|
AMC |  | 12 Bolt | AMC Model 20 |
Chrysler |  | 10 Bolt | Chrysler 8.25″ |
Chrysler |  | 12 Bolt | Chrysler 9.25″ |
Dana |  | 10 Bolt | Dana 25, 27, 30 |
Dana |  | 12 Bolt | Dana 28 |
Dana |  | 10 Bolt | Dana 35 |
Dana |  | 10 Bolt | Dana 44 |
Dana |  | 10 Bolt | Dana 60/70/80 |
Ford |  | 10 Bolt | Ford 7.5″ |
Ford |  | 10 Bolt | Ford 8.8″ |
Ford |  | No Inspection Cover | Ford 9 Inch |
GM |  | 10 Bolt | GM 7.2″ |
GM |  | 10 Bolt | GM 7.5″ |
GM |  | 10 Bolt | GM 8.2″ or 8.5″ |
GM |  | 10 Bolt | GM 8.2″ or 8.5″ |
GM |  | 12 Bolt | GM 8.875″ Truck |
GM |  | 12 Bolt | GM 8.875″ Car |
GM |  | 14 Bolt | GM 9.5″ |
GM |  | 14 Bolt | GM 10.5″ Truck |
