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