Bulletproof revo tranny?

[rschoi_75]

Originally Posted by Trick440

For the Diffs, just the cups like these? And this will help prevent the larger 'ring gear' gear from breaking teeth?
Large ring gear...


Diff cup...


Thanks guys.

As Brian mentioned, the cups will help the spider gears last longer. You still need to shim the pinion/ring gears.

On another note, you can use an alloy outer diff case as well, which will prolong the life of your ring/pinion gears: