Aluminum back reduced suspension owner for the REAR associated with back suspension system. Redesigned to move the inner pivot location closer to the car center enabling longer suspension system arms and updated suspension system geometry. The narrower design increases rear traction. The aluminum suspension system holders feature incorporated Suspension Settings (I.S.S.) makes it possible for for quick & simple suspension system geometry set-up. Machined from premium Swiss 7075 T6 aluminum and black colored coated. Making use of eccentric suspension bushings inserted into aluminum suspension system obstructs, and additional suspension shims, the XB2 suspension system geometry are entirely modified. Universal for both Dirt and Carpet version.