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 15mm which helps to correct the roll center on lowered vehicles. - CNC Machined from 6061-T6 aluminium- 4 Piece SetVehicle Compatibility:- Nissan 180sx- Nissan S13 Silvia- Nissan S14 200SX- Nissan S15 200SX- Nissan Skyline R32 GTS-T- Nissan Skyline R32 GTR (may require the use of shims, available separately)- Nissan Skyline R32 GTS4 - Nissan Skyline R33 GTS-T- Nissan Skyline R33 GTS4- Nissan Skyline R33 GTR (may require the use of shims, available separately)- Nissan Skyline R34 GTT- Nissan Skyline R34 GTR (may require the use of shims, available separately)- Nissan Cefiro A31- Nissan 300ZX Z32