Redesigned front/rear diff bulkhead block set created from tough, rigid composite product is strengthened for better bearing sitting and enhanced tightness regarding the differential and pinion. The diff bulkheads fit the bigger and more powerful 13x20 diff situation ball-bearings. The bulkheads will be the mounting point for several suspension components, and the housing includes Labyrinth Dust Covers to keep dust out of the bearings. The universal design permits the diff bulkhead block to be installed at either front side or back ends associated with the buggy. Comfortable access to both front side and back differentials makes maintenance a breeze. Fits XB808.