Aluminum reduced suspension system owner 3° toe-in the FRONT the back suspension. Redesigned to maneuver the inner pivot location closer to the car center allowing to utilize longer and smaller suspension provide options. The narrower design increases rear traction. Recommended for low traction dust songs and Astro tracks. The aluminum suspension system holders function Integrated Suspension Settings (I.S.S.) enables for fast & easy suspension system geometry set-up. Machined from premium Swiss 7075 T6 aluminum and black colored coated. Using eccentric suspension system system bushings inserted into aluminum suspension system system blocks, alongside extra suspension system system shims, the XB4 suspension system system geometry are completely modified.