The EBC 17-20 Audi A4 B9 2.0T BSD Front Rotors are a direct replacement for the original rotors on the Audi A4 B9 2.0T. These rotors feature a superior design that offers improved braking performance and increased resistance to warping and cracking. They are made from a high-grade cast iron and are precision machined for a perfect fit. The slot, drill, and dimple design helps to reduce brake noise and dissipate heat, while the double disc grinding ensures a smooth and even surface for maximum performance.