X-Maxx Rear Upper & Lower Bulkheads* 7727X

Bulkhead, rear (upper & lower), center differential (replacing #7727 & #7728 requires #5107A ball bearings (2))
 
*X-Maxx rear upper and lower bulkhead for use with 8s Torque-Biasing Center Drive™. Replaces #7727 and #7728, and requires (2) #5107A ball bearings to complete installation.