The R1 Concepts Geo-Carbon drilled-and-slotted rotor is a direct-fit replacement built with cross-drilled holes and slots to support pad contact and heat management under aggressive braking. This rotor is listed for 1999–2005 Audi S6 rear-right applications and installs as the rear-right unit, matching OE-style fitment for a straightforward replacement on applicable S6 models.
R1 99-05 Audi S6 Rear Right Drilled & Slotted Geo-Carbon Rotor