Duralo Front Drilled & Slotted Rear Brake Rotor Kit For Audi A4 2002 2003 2004 - Duralo 152-1147 New Kit includes all 4 front and rear brake rotors Slotted & cross-drilled brake rotors for maximum performance and cooling - Zinc coated for corrosion resistance and durability Premium ISO/TS 16949 quality - engineered to meet or exceed all OEM specifications