StopTech Sport Slotted Brake Rotors are 1-piece direct replacement brake discs for your factory brake system and stock calipers. The slotting helps wipe away debris, prevents pad glazing, and improves braking performance in both wet and dry conditions. This part number 126.40055SL represents the Rear Left (Driver Side) position. Note: This is an individual rotor; for a complete rear set, pair with 126.40055SR. Components included: - Part Number: 126.40055SL (1x Slotted Rear Left Brake Rotor)