The R1 Concepts Geo-Carbon drilled-and-slotted rotor for 2005–2009 Subaru Impreza rear left is a replacement brake rotor combining Geo-Carbon surface treatment with drilled holes and slots. Its machined surface is intended to help manage heat and clear debris for steadier pad engagement, and it is supplied specifically for the rear-left wheel position noted.
R1 05-09 Subaru Impreza Rear Left Drilled & Slotted Geo-Carbon Rotor