TRX-4 Alum Diff Case (Black)
Samix Traxxas TRX-4 Aluminum Differential Case (Black)
The Samix Traxxas TRX-4 Aluminum Differential Case is a direct fit upgrade for the stock plastic TRX-4 diff cup. This machined aluminum upgrade is stronger than the stock parts and will help to create a longer lasting differential. Package includes one diff cup.