The DFC Geomet-coated drilled left-front rotor for 2012–2016 Porsche 911 is a hi‑carbon alloy replacement intended to maintain braking performance and limit corrosion. It features premium iron castings with OE vane configuration for heat dissipation, is precision mill-balanced to minimize vibration, and includes a fine-turned 16 RMS finish plus Geomet protective coating. Specified tolerances include DTV 0.10 mm and lateral runout 0.50 mm maximum.
DFC 12-16 Porsche 911 Left Front Drilled Hi-Carbon Alloy Geomet Coated Rotor