Redesigned front/rear diff bulkhead block set made from tough, rigid composite product has been strengthened for better bearing seating and improved stiffness of differential and pinion. The diff bulkheads fit the larger and stronger 13x20 diff case ball-bearings. The bulkheads will be the mounting point for all suspension system parts, while the housing includes Labyrinth Dust Covers to keep dust from the bearings. The universal design enables the diff bulkhead block become mounted at either front side or back ends of the buggy. Comfortable access to both front side and back differentials makes maintenance super easy. Fits XB808.