The R1 Concepts drilled front-left brake rotor for 2021 Ford Mustang is a direct replacement that restores the braking surface with a black, drilled finish. The drilled face helps manage heat and water at the pad contact area, and the rotor is supplied for the specific wheel position to simplify like-for-like replacement or routine service on the Mustang.
R1 21-21 Ford Mustang Front Left Drilled Black Brake Rotor