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The R1 Concepts drilled black brake rotor for 1974–1979 Mercury Cougar (front left) presents a clear product identity and targeted wheel location. Described as drilled and finished in black, the rotor is tied to the Cougar model years listed. It supplies the front-left braking surface for those Cougar applications, providing a replacement option that corresponds to the explicit year and position information.
R1 74-79 Mercury Cougar Front Left Drilled Black Brake Rotor
