The DFC Geomet-coated rear rotor for 2008–2020 Subaru WRX models is a hi-carbon alloy replacement intended for direct rear fitment. It is cast from premium G3000/G11H18 iron for strength, retains OE vane geometry to manage heat and is precision mill-balanced for smoother stopping. A 16 RMS fine-turned finish aids initial pad break-in while Geomet coating helps protect against corrosion; DTV 0.010 mm max, lateral runout 0.050 mm max.
DFC 08-20 Subaru WRX Rear Hi-Carbon Alloy Geomet Coated Rotor