StopTech Slotted Sport Brake Rotors are premium direct-replacement grey iron brake discs featuring a unique slotted surface that helps wipe away debris, prevent pad glazing, and improve braking performance in all conditions. This specific part (126.33131SR) is a Right Rear directional rotor designed for vehicles with 282mm or 286mm factory rear discs. The e-coating finish provides long-lasting corrosion protection. This is a single component. Recommended to be installed with the matching Left Side rotor: 126.33131SL.