HSD coilovers allow for separate ride height and preload adjustment ensuring that you always have full damper travel no matter how high or low you set your ride height. The high capacity monotube dampers take both road and track use in their stride with the 16-stage damping adjustment on each damper allowing you to fine tune your suspension setup to suit your personal preferences. We keep a huge array of HSD spares in stock here within Australia including damper units top mounts and bottom brackets. Should you have a mishap on the road or the track we’re always here to help and will do our best to supply you with the HSD spares that you need. This kit is for Subaru Impreza GRB WRX STI models with 5×114.3 PCD only. Main features: 16-stage damping adjustment separate height and preload adjustment camber adjustable pillowball front top mounts & rubber rear top mounts anti-corrosive damper plating and rubber dust boots 7kg/mm front springs 6kg/mm rear springs.