The DFC Geomet-coated drilled left-rear rotor for 2010–2023 Porsche 911 is a hi‑carbon alloy replacement focused on thermal performance and surface protection. Made from premium iron castings with OE vane geometry, it is precision mill-balanced to lessen vibration. A fine-turned 16 RMS finish helps pad break-in and the Geomet coating provides corrosion resistance; DTV is limited to 0.10 mm and lateral runout to 0.50 mm.
DFC 10-23 Porsche 911 Left Rear Drilled Hi-Carbon Alloy Geomet Coated Rotor