The R1 Concepts Geo-Carbon drilled and slotted brake rotor for 1999–2006 Hyundai Sonata, rear right, is a direct-fit replacement intended to maintain rear braking balance. The drilled and slotted configuration is specified to support pad engagement and aid thermal management during use, while the Geo-Carbon designation identifies the rotor style meant to match original-style replacement needs.
R1 99-06 Hyundai Sonata Rear Right Drilled & Slotted Geo-Carbon Rotor