The Eibach Pro-Kit Lowering Spring Kit improves Ford F150 Raptor R handling with a lowered stance. Crafted from high-tensile steel, this set of four springs lowers the truck by ~1.0 inch, enhancing cornering and aesthetics. Designed for Raptor R 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.