StopTech Slotted Sport Brake Rotors are premium 1-piece replacement brake discs for your factory brake system. This part (126.33127SL) is a Left Rear rotor featuring a specialized directional slotting that helps clear debris, gases, and heat for better braking performance and consistent pedal feel. The rotor features a black E-coat finish on the hubs and vanes for superior corrosion protection. Components included: 1 x Left Rear Slotted Brake Rotor (MPN: 126.33127SL). Note: This is an individual rotor, usually purchased with the corresponding right-side rotor (126.33127SR).