The Eibach Pro-Kit Lowering Spring Kit improves Ford Mustang handling with a lowered stance. Crafted from high-tensile steel, this set of four springs lowers the 3.7L model by ~1.0 inch, enhancing cornering and aesthetics. Designed for Mustang 3.7L 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.