Aluminum straight back reduced suspension owner the BACK associated with back suspension system system. Redesigned to go the internal pivot location nearer to the car center allowing much longer suspension system system hands and updated suspension system system geometry. The narrower design increases rear traction. The aluminum suspension system holders feature incorporated Suspension Settings (I.S.S.) enables for fast & simple suspension system geometry set-up. Machined from premium Swiss 7075 T6 aluminum and black colored colored coated. Utilizing eccentric suspension system bushings placed into aluminum suspension system system obstructs, and additional suspension shims, the XB2 suspension system system geometry are entirely modified. Universal for both Dirt and Carpet version.