Aluminum reduced suspension owner for the BACK the front suspension system. Redesigned to go the inner pivot location nearer to the vehicle center enabling to work with longer and reduced suspension system system supply options and brand new suspension geometry. The narrower design increases back traction. The aluminum suspension holders function built-in Suspension Settings (I.S.S.) allowing for quick & effortless suspension geometry set-up. Machined from premium Swiss 7075 T6 aluminum and black colored coated. Using eccentric suspension system bushings placed into aluminum suspension system system obstructs, alongside additional suspension system system shims, the XB4 suspension geometry might be completely adjusted.