The R1 Concepts Geo-Carbon drilled-and-slotted brake rotor is listed for the rear left position on 2015–2023 Ford Mustang models. The Geo-Carbon drilled-and-slotted face signals the rotor pattern and appearance, and the overview clearly states rear-left fitment and the supported Mustang years so shoppers can match this drilled-and-slotted rotor to their vehicle and axle position.
R1 15-23 Ford Mustang Rear Left Drilled & Slotted Geo-Carbon Rotor