The EBC Racing 2009+ Audi R8 5.2L 2 Piece Floating Conversion SG Racing Front Rotors are designed to provide superior braking performance and improved heat dissipation. The two-piece floating rotor design allows for a lightweight construction and improved heat dissipation. The rotors are constructed from a high-grade stainless steel and feature a slotted and drilled design for improved cooling and improved brake pad bite. The rotors are designed to fit the 2009+ Audi R8 5.2L models and are backed by a limited lifetime warranty.