The DFC GeoSPEC coated rotor for 2008–2011 Audi S4 front applications is a direct-fit replacement that restores braking consistency while resisting corrosion. Ready to install, it includes a non-directional finish for quicker break-in, 100% precision cutting and mill-balancing to minimize vibration, and premium G3000/G11H18 iron castings protected by a coating that outperforms standard zinc-based paint systems.
DFC 08-11 Audi S4 Front GeoSPEC Coated Rotor