The R1 Concepts drilled black brake rotor for 1987–1993 Mercury Cougar (rear left) defines the product and its rear-left wheel application. Described as drilled and finished in black, the rotor is explicitly matched to the Cougar years listed. This rotor provides the rear-left braking surface for those Mercury Cougar applications and serves as the application-specific option for owners replacing that component on the specified years.

R1 87-93 Mercury Cougar Rear Left Drilled Black Brake Rotor