Yonaka 1989-1998 Mazda Miata MX5 MX-5 Spec 2 Full Coilovers Adjustable Dampening Suspension Shocks Springs Struts 28 Level Fully Adjustable Dampening Fully threaded dual tube advanced shock absorber Wide range of height adjustment without changing the spring compression Bottom of the shock is threaded to allow height adjustments without having to shorten the suspension travel 1 year warranty against factory defects