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R1 Concepts Geo-Carbon drilled and slotted rotor set for 2008–2025 Audi A4 Quattro rear applications. These carbon-coated rear rotors provide a premium OE-style replacement aimed at consistent braking and longer rotor life. Geo-Carbon units are mill-balanced, made from G3000-grade cast iron with rust protection, and use diamond slots plus precision-drilled, countersunk holes to aid cooling, reduce cracking risk and extend pad life; sold as a rear two-rotor set.
R1 08-25 Audi A4 Quattro Rear Drilled & Slotted Carbon Coated Brake Rotor Set
