Aluminum Front-Rear (FR) suspension system system owner for Semi-Split Bulkheads offer an expanded array of set-up alterations. The aluminum suspension system holders function Integrated Suspension Settings™ (I.S.S.) allows for for quick & easy suspension system geometry setting. Utilizing eccentric suspension system bushings placed into aluminum suspension system system holders – plus additional suspension system shims – the XB8 suspension system system geometry are totally modified in only seconds. Machined from premium Swiss 7075 T6 aluminum and black coated.