This EBC S2 Greenstuff Pad & USR Rotor Kit is designed to provide superior braking performance and exceptional durability. Made from high-grade cast iron, these rotors feature a unique slotted design that helps to reduce brake fade and improve bite. The slots also help to clear dust and debris, allowing for a more consistent braking performance. Perfect for high-performance street and track applications, this rotor set is sure to provide reliable braking power for years to come.