The R1 Concepts Geo-Carbon drilled-and-slotted rotor is a direct-fit rear left replacement for 2004–2010 Audi A8 vehicles. It combines R1's Geo-Carbon rotor surface with a drilled-and-slotted pattern to match the original brake mounting and service needs. Sold specifically for the left rear axle on the listed A8 years as a like-for-like drilled-and-slotted rotor replacement.
R1 04-10 Audi A8 Rear Left Drilled & Slotted Geo-Carbon Rotor