| Number | Name | Brand | Fit |
|---|
| UM751 | Servo Saver Set(RT6/RB6 SR) | Kyosho | direct |
| UM789 | Servo Saver Storng Ring | Kyosho | direct |
| UM718 | Steering Crank Shaft (RB6) discontinued | Kyosho | direct |
| UMW701 | Aluminum Steering Plate (RB6) discontinued | Kyosho | replaces |
| UMW724 | Aluminum Steering Support discontinued | Kyosho | replaces |
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