The Alcon Pro‑System rotor for 2023 Porsche 992 is the left‑side unit sized 390x35.6x66mm and specified as a replacement rotor for that model year and application. This left‑side replacement matches the factory 2023 992 rotor dimensions and mounting, allowing direct replacement to maintain correct fitment and brake geometry on compatible 2023 Porsche 992 vehicles.
Alcon Pro-System 2023 Porsche 992 390x35.6x66mm Rotor - Left