Aluminum Rear-Front (RF) suspension owner for semi-split bulkheads provide an expanded range of set-up corrections. The aluminum suspension holders function incorporated Suspension Settings™ (I.S.S.) makes it possible for for fast & effortless suspension geometry environment. Making use of eccentric suspension bushings inserted into aluminum suspension holders – plus additional suspension system shims – the XT8 suspension system geometry may be completely adjusted in only seconds. Machined from premium Swiss 7075 T6 aluminum and black coated.