StopTech Sport Drilled & Slotted Brake Rotors are 1-piece direct replacement brake discs for your factory brake system. This part (127.44156L) is for the Front Left position. The cross-drilling and slotting aid in cooling and help wipe away debris that forms between the pad and the disc. Features a black e-coat finish for corrosion resistance. This is a single rotor (1 unit). Included in the StopTech Sport series: 1x StopTech 127.44156L Front Left Rotor. Recommended to be purchased with 127.44156R for a complete front axle set.