Yonaka Mazda RX-7 93-02 Spec 2 Fully Adjustable 28 Way Dampening Coilovers Shocks Springs Struts Set Kit 28 Level Fully Adjustable Dampening All Aluminum Upper Mounts ~2-3" Height adjustmentRubber dust shield protecting piston for long life Adjustment tools included1 year warranty against factory defects Spring rates are as follows:Front springs: 12kg Rear springs: 8kg