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The R1 Concepts slotted black rear-left brake rotor for 2015–2021 Ford Mustang is a direct-fit replacement for the left rear position. Its slotted design helps move gases and surface debris away from the pad contact area to support consistent rear braking behavior. The black finish keeps the wheel area tidy while offering a practical replacement to restore rear stopping performance.
R1 15-21 Ford Mustang Rear Left Slotted Black Brake Rotor
