Redesigned super-strong FRONT bulkheads are narrower to have the hands more into centerline generate more traction and offer a far greater choice of track width modification. The bulkheads have actually the truth is actually a fantastic fit on updated differential and they're reinforced to boost the dependability. The XB4 bulkheads allow super-fast & effortless diff trade and servicing by dismounting just 4 screws through front part linked to bulkhead and base related to framework. This super-fast diff access can be acquired at both front & back. The bulkheads have actually minimized ball-bearing play, causing increased gear teeth lifespan and minimized gear stripping.