The DFC Geomet-coated front rotor for 2013–2017 Subaru WRX STI models is a hi-carbon alloy replacement intended for direct front fitment. It employs premium G3000/G11H18 iron castings for strength and stability, OE vane configuration for heat control and precision mill-balancing to reduce vibration. The 16 RMS fine-turned finish helps pad break-in while Geomet coating protects from corrosion; DTV 0.010 mm max, lateral runout 0.050 mm max.
DFC 13-17 Subaru WRX STI Front Hi-Carbon Alloy Geomet Coated Rotor