Have been fitted. The maXpeedingrods Coilovers for Mazda RX-7 Savanna 1985-1992 coupe convertible are a set of adjustable coilovers designed to provide a lowering of 1-3 inches. With a rear spring rate of 8 kg/mm and a front spring rate of 10 kg/mm, these coilovers offer a performance upgrade for your vehicle. The kit includes 2x front and 2x rear coilovers, along with 2x spanners for easy adjustment. Manufactured by maXpeedingrods and backed by a 2-year warranty, these coilovers are specifically designed for the Mazda RX-7 and come with instructions for installation included.