The R1 Concepts Geo-Carbon drilled-and-slotted rotor is a Geo-Carbon replacement brake rotor with drilled holes and slots to help manage surface conditions. This rotor is specified for rear left fitment on 1992–2005 Buick Park Avenue models and is intended to serve as the correct rear left replacement disc for those vehicles.
R1 92-05 Buick Park Avenue Rear Left Drilled & Slotted Geo-Carbon Rotor