CNC-machined aluminum back surprise tower from 3mm thick premium Swiss 7075 T6 aluminum. Up-to-date shock mounting jobs featuring a supplementary extra shock mounting place for extra-fine tuning. Ultra-rigid design for unsurpassed energy and long lifespan. The aluminum shock tower is stiffer than graphite which makes the auto better to drive and even more predictable. Includes numerous shock functions. Ebony coated. Laser-engraved because of the XRAY logo design.