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The R1 Concepts drilled-and-slotted rear left black brake rotor for 2005–2025 Western Star 5700 is a replacement rotor that pairs a drilled and slotted surface with a black finish. The drilled and slotted pattern helps manage heat and clear pad debris for more consistent braking contact, making it suitable for heavy-duty maintenance and scheduled rotor replacement on the 5700 rear left position.
R1 05-25 Western Star 5700 Rear Left Drilled & Slotted Black Brake Rotor
