The EBC Brakes USR Slotted Rotor Sets USR1155 are high-performance brake rotors designed for use in various vehicles. These rotors feature a slotted design that helps to dissipate heat and gases, resulting in improved braking performance and reduced brake fade. The slots also help to remove debris and water from the braking surface, allowing for better contact between the brake pads and rotors. The USR1155 rotor sets are made from high-quality materials and are precision-machined for a perfect fit. They are suitable for street and track use and are an excellent upgrade for those looking for improved braking performance.