The StopTech Sport Rotor (Left Front) is a premium 1-piece direct replacement brake disc for factory brake systems. It features a unique cross-drilled and slotted pattern that provides superior cooling, improved wet-weather performance, and increased initial bite. The rotor is finished with a black E-coat for long-lasting corrosion protection. This is a single left-side rotor (127.44175L). For a complete axle set, it must be paired with the right-side rotor (127.44175R). Part Number: 127.44175L.