The EBC Brakes GD Sport Rotor Sets GD1391 are a set of high-performance brake rotors designed for sports cars and other high-performance vehicles. These rotors are made from high-quality materials and feature a unique design that provides improved heat dissipation and better braking performance. The GD1391 rotors are precision-machined for a perfect fit and are coated with a corrosion-resistant finish for long-lasting durability. These rotors are a great upgrade for drivers looking for improved braking performance and reliability on the track or on the street.