StopTech Sport Drilled & Slotted Brake Rotors are 1-piece direct replacement brake discs for your factory brake system and stock calipers. They offer improved stopping performance and cooling through a patented cross-drilled and slotted pattern that prevents pad glazing, sweeps away debris, and improves wet weather braking. This specific part is for the Rear Left position. Included in this package: 1x StopTech 127.34159L Sport Rotor (Rear Left). Technical specifications: Diameter: 259mm; Height: 48.2mm; Thickness: 10mm; Bolt Circle: 5x112.