Front & back bulkheads work a horizontal split design (HS) to retain effortless diff access while like valuable new diff height modification. Initial design attached to bulkheads employs an inline bushing to alter the positioning and height linked to bevel drive gear. And accommodating the diff height alterations, more over enables leading primary driveshaft to utilize with a lowered angle at a lowered expense friction making use of in CV joint elements and improved driveline effectiveness. The XB4 bulkheads enable effectively differential access for setup alterations or servicing by reducing just 4 screws through top gear industry target even though paid down area remains setup towards the framework. This super-fast diff access is showcased on both front and straight back gearboxes. The super-strong, narrow bulkheads give you the necessary approval the redesigned suspension system system holders with an increase of set-up range possibilities. Fits XB4'21
