| Number | Name | Brand | Fit |
|---|
| UB039 | Diff. Gear Set(52T) | Kyosho | direct |
| UB040 | Short Steel Diff. Shaft Set (RB7.5) | Kyosho | direct |
| UB041 | Diff Ring | Kyosho | direct |
| UBW005 | Gear Diff. Set(Short Shaft/RB7.5) | Kyosho | replaces |
| UBW005-01 | Gear Diff. Short Shaft (RB7.5) | Kyosho | replaces |
| UM605B | Diff. Gear Set | Kyosho | replaces |