The EBC Ultimax rear rotor for 2005–2010 Audi A8 Quattro 6.0 applications is an OE‑style slotted disc that uses progressively angled slots to reduce air noise while pulling cool air to lower operating temperature. Slots also help clear dust and debris to preserve pad grip and extend pad life. This vented rear disc is 335mm diameter, 22mm thick, with five bolt holes and a 68mm center bore.
EBC 05-10 Audi A8 Quattro 6.0 (Cast Iron Rotors) Premium Rear Rotors