Aluminum paid down suspension system system owner 3° toe-in leading the rear suspension system. Redesigned to maneuver the inner pivot location nearer to the car center permitting to work with longer and smaller suspension system offer options. The narrower design increases back traction. Suitable for low traction dust songs and Astro songs. The aluminum suspension system system holders function built-in Suspension Settings (I.S.S.) allows for fast & effortless suspension system geometry set-up. Machined from premium Swiss 7075 T6 aluminum and black colored colored coated. Using eccentric suspension system system bushings inserted into aluminum suspension system system system blocks, alongside additional suspension system system system shims, the XB4 suspension system system system geometry are totally modified.