The DBA 5000 Series front cross-drilled rotor with black hat for 2007–2011 Audi S6 is a composite two-piece direct-replacement rotor. It pairs high carbon cast-iron rings with aerospace-grade T6061-T6 aluminum hats, joined with NAS bolts, to reduce unsprung weight and improve heat management. The 5000 Series is recommended for high-performance street, track day and rally applications.
DBA 07-11 Audi S6 Front 5000 Series Cross Drilled Rotor w/Black Hat