A2-155 Girodisc Porsche 380mm Rear Rotors

Girodisc Porsche 380mm Rear Rotors Upgrade your Porsche’s braking system with Girodisc’s 380mm rear iron rotors, engineered as a direct replacement for OEM carbon-ceramic discs. This setup offers superior heat capacity, consistent braking performance, and reduced replacement costs, all while maintaining OEM fitment and balance for high-performance driving. Vehicle Fitment Porsche 911 Turbo / Turbo S (991.1 & 991.2)Porsche 911 GT3 (991.1 & 991.2)Porsche 911 GT3 RS (991 Series)Porsche 911 GT2 RS (991.2)Compatible with OEM carbon-ceramic brake systems and factory Brembo calipers. Direct Replacement Iron Rotor System The Girodisc system bolts directly to the factory hubs and calipers—no modifications necessary. Each rotor features a CNC-machined 6061-T6 aluminum hat mated to Girodisc’s proprietary cast-iron friction ring. The floating two-piece design allows for expansion under heat without distortion, ensuring even pad wear and consistent pedal feel. Curved internal vanes act as