The R1 Concepts drilled black brake rotor for the front left of 2005–2010 Ford Mustang is a vehicle-specific rotor intended for that wheel position. The listing specifies a drilled face and black finish for the front-left application, identifying this part for brake servicing or replacement on the specified Mustang model years when addressing a worn or damaged rotor.
R1 05-10 Ford Mustang Front Left Drilled Black Brake Rotor