7727X TRAXXAS B-HEAD REAR (UPPER & LOWER) CENTER DIFF

This is an optional rear upper and lower bulkhead for the Traxxas X-Maxx. Designed for use with the 8S Torque-biasing Center Drive. Package contains both the upper and lower bulkhead, and replaces #7727 and #7728.

Note: Requires #5108 ball bearings (2) to complete.