The DFC Geomet-coated drilled right-rear rotor for 1999–2023 Porsche 911 is a hi‑carbon alloy replacement engineered to control heat and resist corrosion across varied driving conditions. It employs premium G3000/G11H18 iron castings with OE-style vanes for cooling, is precision mill-balanced for smooth braking, and includes a fine-turned 16 RMS finish plus Geomet corrosion protection; DTV 0.10 mm and lateral runout 0.50 mm are the stated limits.
DFC 99-23 Porsche 911 Right Rear Drilled Hi-Carbon Alloy Geomet Coated Rotor