MST RMX Rear shaft ball diff. set (40-13)

The MST RMX Rear Shaft Ball Differential Set is an upgrade for the RMX 2.0 S, as well as the RMX-D kits equipped with the optional 4WD conversion (MXS-210452).  Package includes precision machined outdrives, and the rest of the parts to build one complete ball diff with 40/13T gearing.

This product was added to our catalog on December 20, 2017

• MST RMX 2.0 S

Phillip Leonard Verified Owner Friday, Sep 26 2025 (2 days ago) MST RMX Rear shaft ball diff. set (40-13) I used this diff on a pan car chassis, which I used for a drift car. Held up great to a 10.5t motor and acuvance ESC! Steven Gosselin Verified Owner Friday, Jul 12 2019 (about 6 years ago) MST RMX Rear shaft ball diff. set (40-13) Perfect diff everyone should have come with all hardaware and shim View all reviews