The R1 Concepts Geo-Carbon drilled-and-slotted rotor for 2015–2025 Subaru WRX rear left is a replacement rotor featuring a Geo-Carbon surface with drilled holes and slots. The rotor's machined face is intended to assist heat and debris management to promote steadier pad contact under braking and is supplied specifically for the rear-left wheel position named.
R1 15-25 Subaru WRX Rear Left Drilled & Slotted Geo-Carbon Rotor