All the steel components on RX8 front suspension are from high strenght steel, including sheetmetal components, tubes, tube ends and rod end housings. Rod ends and spherical bearings are used, no OEM bushings. The kit comes also with new 7075 aluminium billet U-joint to connect the Mazda steering column to the BMW rack. By default the kit has left hand drive steering rack attachment. Let the us know if you need LHD or RHD application as this affects the rack attachment parts provided with the kit.