2017-2026+ Audi RS4 / S4 (B9) Carbon Ceramic Brake Rotors YU7 and the disc uses a

and the disc uses a ceramic coating we optimized for cold starts

You keep the factory CTS-V front and rear calipers

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this kit will not work for you

We tuned both the pad compound and the disc ceramic coating for cold engagement

2017-2026+ Audi RS4 / S4 (B9) Carbon Ceramic Brake Rotors YU7 and the disc uses aReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2017 2026+ Audi RS4 S4 (B9). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size RS4 375mm, 400mm (CCB) 330mm 20" S4 350mm 330mm 18" Keep Your Factory Calipers? Keep them if the front calipers are fixed 4 piston or more the rear axle qualifies