The R1 Concepts drilled black brake rotor for the front right of 2011–2014 Ford Mustang is a vehicle-specific rotor intended for that wheel position. The product text specifies a drilled face and black finish for the front-right application, indicating this rotor for replacement or brake servicing on the noted Mustang model years to restore the braking surface.
R1 11-14 Ford Mustang Front Right Drilled Black Brake Rotor