KYOMZW436 Kyosho Mini-Z MR-03 Ball Differential Set II (MM/MMII/RM/HM)

The Kyosho Mini-Z MR03 Ball Differential Set II is an optional upgrade for the Mini-Z MR03 with MM, MMII, RM, or HM motor mount. This differential is lighter than the stock parts and offers improved left/right weight distribution. Additionally, a set screw can be added to the threaded hole on the left wheel hub