The Eibach Pro-Kit Lowering Spring Kit improves Ford Focus ST handling with a lowered stance. Made from high-tensile steel, this set of four springs lowers the hatchback by ~1.0 inch, enhancing cornering and aesthetics. Designed for Focus ST models, it offers progressive rates for a sporty ride. Installation requires compatible shocks and alignment. Powder-coated for durability, it includes a limited lifetime manufacturer warranty.