CNC-machined aluminum rear surprise tower from 3mm dense premium Swiss 7075 T6 aluminum. Updated shock mounting jobs featuring an additional additional surprise mounting place for extra-fine tuning. Ultra-rigid design for unsurpassed energy and long lifespan. The aluminum surprise tower is stiffer than graphite which makes the car better to drive and much more predictable. Includes multiple surprise jobs. Black coated. Laser-engraved aided by the XRAY logo design.