The Wilwood AERO6 Front Kit 14.00in BBK - 08-12 Audi A4/A5/S5 - Red Drilled & Slotted Rotor is a high-performance braking system designed for Audi A4, A5, and S5 models from 2008 to 2012. This kit includes Wilwood's AERO6 front calipers, 14.00in diameter Big Brake Kits (BBK) rotors, and red drilled and slotted rotors. The Wilwood AERO6 calipers are designed to deliver superior braking performance, increased stiffness, and improved modulation. The 14.00in diameter BBK rotors provide improved stopping power and increased thermal capacity. The red drilled and slotted rotors help to reduce brake fade and increase pad bite. This kit is ideal for drivers who are looking for improved performance and braking power.