StopTech Sport Slotted Brake Rotors are premium one-piece direct replacement brake discs for your factory braking system. The 126.44084SL is a Rear Left Side (Driver Side) rotor featuring unique vacuum-cast slots that improve braking performance by wiping away debris, gases, and heat. Finished with a black e-coat for superior corrosion resistance and high-performance looks. This is a single component (1 unit). To complete the axle set, use with 126.44084SR (Rear Right).