better feedback from the chassis to the driver

Check out the Turbosmart BlackBox Electronic Wastegate Controller with up to 2 independent channels via simple PWM inputs

BMW E9X or Lexus LS (UCF30) steering rack is needed to be used with this kit to replace the original electric power steering

S13 kit is for the 4 lug spindle

This kit comes with necessary hardware to mount E9X steering rack into F-Series subframe

JRWA1 Adapters 20mm 4x100 57,1 57,1 Black Turbosmart better feedback from the chassisPrice per pair; Type: JRWA1; PCD: 4x100; CB: 57,1; Center Lip: 57,1; Thickness: 20mm; Diameter: 149mm; Studs Nuts Pressed: 12x1,5 Studs (Outstanding Lenght 27,5mm); Mounting Bolts Nuts: 12x1,5 Bolts;