StopTech Select Sport Brake Rotors are high-quality replacement rotors that provide improved braking performance and enhanced aesthetics. This specific part (227.44157R) is a single Rear Passenger-Side rotor featuring a drilled and slotted design for superior heat dissipation and wet weather performance. It is finished with a zinc coating to resist corrosion. This is a single component, not a set. Compatible with OEM part numbers: 42431-60290, 42431-60291, 42431-60311.