Redesigned super-strong FRONT bulkheads are narrower to move the hands more into centerline to come up with more traction also to provide a greater array of track width adjustment. The bulkheads have an amazing fit to the updated differential and tend to be strengthened to improve the dependability. The XB4 bulkheads allow super-fast & effortless diff change and servicing by dismounting just 4 screws through the front regarding the bulkhead and base regarding the framework. This super-fast diff access is available at both front & back. The bulkheads have minimized ball-bearing play, leading to increased gear teeth lifespan and minimized gear stripping.
