Aluminum reduced suspension system owner for the BACKSIDE associated with back suspension. The holder is installed right to the gearbox, separate from framework, to improve traction on all areas. The aluminum suspension holders function Integrated Suspension Settings (I.S.S.) makes it possible for for quick & easy suspension geometry set-up. Machined from premium Swiss 7075 T6 aluminum and black coated. Universal for both Dirt and Carpet edition.