StopTech Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. This is a Right Front Slotted and Drilled rotor (127.47021R). Features: 1. Advanced metallurgy prevents rotor cracking; 2. Drilled & Slotted design for improved heat dissipation and wet weather performance; 3. E-Coating finish provides long-lasting corrosion protection; 4. Better cooling surface than stock rotors. If purchased as a kit, this component is part of the StopTech Sport Axle Pack. Included parts: 1 x StopTech 127.47021R Brake Rotor. Note: It is recommended to replace rotors in pairs with the matching Left side (127.47021L).