The GKTECH solid subframe bushings are a direct replacement of the standard items and ensure that movement of the subframe is kept to a minimum. They eliminate axle tramp whilst also raising the subframe up to 10mm which helps to correct the roll center on lowered vehicles. We also supply shims to keep it at OEM height (which is FD legal)! The factory front and the subframe braces can still be used. - CNC Machined from 6061-T6 aluminium Vehicle Compatibility: - Nissan Z33 350z - Infiniti G35