StopTech Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. They improve stopping performance and heat dissipation. The unique cross-drilling and slotting aids with heat and brake dust dispersal, prevents glazing of the pads, and improves braking in wet and dry conditions. This is a Left Rear specific rotor. Included in this part number: 1 x StopTech 127.47029L Slotted & Drilled Left Rear Brake Rotor. Features a black e-coat finish for corrosion resistance.