Aluminum straight back Lower Suspension Holder BACKSIDE for semi-split bulkheads offer an expanded choice of set-up alterations. The aluminum suspension system holders work incorporated suspension system Settings™ (I.S.S.) allowing for fast & simple suspension system system system system geometry environment. Utilizing eccentric suspension system system system bushings put in aluminum suspension system system system holders – plus additional suspension system system shims – the XB8 suspension system system geometry is wholly modified within moments. Machined from premium Swiss 7075 T6 aluminum and black colored coated.