This EBC S4 Redstuff Pads & USR Rotor Kit is an ideal choice for those looking for improved braking performance and a high-quality product. These rotors are made from a high-grade cast iron with a black electro-coating for superior corrosion protection. The slots in the rotor help to reduce brake noise, dust, and brake fade. They are designed to provide superior braking performance and are compatible with all vehicle makes and models. Get ready to experience improved braking power with this EBC Brakes USR Slotted Rotor Set.