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The R1 Concepts Geo-Carbon drilled and slotted rotor is a direct-fit rear left replacement for 2020–2025 Cadillac CT4 applications. This Geo-Carbon rotor uses drilled holes and machined slots to maintain consistent pad contact and help clear contaminants from the friction surface, offering Cadillac owners a practical rotor upgrade that focuses on reliable stopping behavior for everyday and spirited driving.
R1 20-25 Cadillac Ct4 Rear Left Drilled & Slotted Geo-Carbon Rotor
