Originally Posted by
Besercoe
The ball diff is essentially same in design to a 416 Diff, just the overall width of it is slighly narrower. So it uses 3mm diff balls, and std large diameter diff plates. The kit ones are keyed to the diff outdrive like a D ring, however the circular Tamiya / Photon style would fit straight on
Tamiya uses a metric sized round diff ring, the Photon uses a standard sized D ring.