Originally Posted by Overdriven

You have 3 choices to convert to 1/8 diffs in the Maxx
1. UE Ultralight diff cases as you know
2. FLM hybrid bulkheads (it's a nice setup btw)
3. LST diffs with your bulkheads. Requires making an adapter ring to go between the bulkheads and diff case, hogging out the pinion collar for the larger diameter LST diff case and doing something about the larger 8mm diameter pinion (Traxxas is 6mm?) of the LST diffs.

And with any of these there's still the output side of the diffs. But that depends on what axles you're running. Plastic, cvd kit designed for stock diff outputs, UE cvd's etc.