MBX6 uses same center diff mount as MBX5 only the top plate is bit different but mounting holes should be the same since the diff mount is the same so mbx5 mount should work
Radek
V4 D8 - RX8, XERUN 4168SD
F1-09 - Tekin RS Pro, 17.5t Redline, 2S LiPo
Sakura Zero S - LRP, Saturn 20T, 2S LiPo
*EX-10 Eurus*