Aluminum Front- front part (FF) suspension system holder for Semi-Split Bulkheads provide an expanded selection of set-up customizations. The aluminum suspension holders feature integral Suspension Settings™ (I.S.S.) that allows for fast & effortless suspension geometry environment. Making use of eccentric suspension system bushings placed into aluminum suspension system holders – and further suspension shims – the XB8 suspension system geometry are totally adjusted in just seconds. Machined from premium Swiss 7075 T6 aluminum and black colored coated.