The StopTech Sport Rotor (Drilled & Slotted) is a 1-piece direct replacement brake disc for your factory braking system. It features a unique cross-drilling and slotting pattern that improves cooling, helps wipe away debris, and provides better bite under heavy braking. This specific part (127.33113L) is designed for the Rear Left (Driver Side) position. Specifications: Bolt Pattern 5x112, Diameter 282mm, Thickness 12mm. This product is sold as a single rotor. For a complete rear axle set, please order the corresponding Right Side rotor (127.33113R). Included components: 1 x StopTech 127.33113L Sport Brake Rotor.