Audi A4 2016, Preferred Plain Brake Kit by Centric®. Centric Axle Packs are engineered to restore original braking performance for street driven cars and light trucks. Each Centric Axle Pack contains pre-selected, application specific brake pads and rotors taking the guesswork out of component selection. If you need a convenient, premium solution to restore factory stopping performance, choose Centric Axle Packs.