The Wilwood 08-12 Audi A4 Front Kit A5 S5 AERO6 is a complete front brake upgrade kit for the Audi A4, A5 and S5 models from 2008 to 2012. This kit includes Wilwood's AERO6 six-piston calipers with a 14.25 rotor for maximum stopping power and improved brake feel. It also includes Wilwood's BP-10 compound brake pads for improved braking performance. This kit is designed to provide superior stopping power and improved brake feel over the stock brakes.