The Eibach Drag-Launch-Kit Springs enhance Ford Mustang GT Coupe S550 drag performance. Made from high-tensile steel, these springs lower the vehicle slightly to minimize weight transfer, maximizing traction for quicker launches. Designed for Mustang GT coupes, the four-piece set delivers consistent track performance. Installation requires compatible shocks and alignment. Powder-coated for corrosion resistance, it includes a limited lifetime manufacturer warranty.