The EBC Brakes USR Slotted Rotor Sets USR991 are a set of high-performance brake rotors designed for use on various vehicles. These rotors feature a unique slotted design that helps to improve braking performance by allowing heat, gas, and dust to escape from the braking surface. This helps to prevent brake fade and maintain consistent braking power. The rotors are made from high-quality materials and are precision-machined for a perfect fit. They are also coated with a black zinc finish to prevent corrosion and enhance the overall appearance of the vehicle. The EBC Brakes USR Slotted Rotor Sets USR991 are a great choice for drivers looking to upgrade their braking system for improved performance and reliability.