GKTECH ZN6 86 / BRZ SOLID REAR SUBFRAME BUSHES (Order in)NOTE: This item is specially ordered from GKTECH Australia and usually takes around 3 4 weeks to arrive. Listing is for: 1x Solid bush set The GKTECH solid subframe bushes 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 7. 5mm which helps to correct the roll center on lowered vehicles. CNC Machined from 6061 T6 aluminium 4 Piece Set