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The Alcon Pro‑System replacement rotor for Porsche 991 GT3 Cup is a left‑rear PFC unit sized 380x30mm, offered as a direct replacement for the rear braking assembly. It restores the specified rear rotor dimensions and mounting for the 991 GT3 Cup platform, allowing correct fit and function where the left rear rotor requires replacement.
Alcon Pro-System Porsche 991 GT3 Cup 380x30mm PFC Replacement Rotor - Left Rear
