The R1 Concepts Geo-Carbon drilled and slotted rotor for 2009–2011 Cadillac STS front right applications is a replacement brake rotor specified for that wheel position. This drilled-and-slotted Geo-Carbon unit is intended for the listed STS model years and serves as the designated front-right rotor when renewing the braking surface on that corner of the vehicle.
R1 09-11 Cadillac Sts Front Right Drilled & Slotted Geo-Carbon Rotor