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