The GiroDisc slotted front ring for 1997–2004 Audi A6/Allroad (C5 with Alcon/StopTech 355x32 rotors) replaces the front rotor outer ring with a slotted surface specified for that brake package. The slots assist in removing pad debris and gases to keep pad contact consistent under demanding use. This item is sized and drilled to match the 355x32 front rotor configuration noted.
GiroDisc 97-04 Audi A6/Allroad (C5 w/Alcon/Stoptech 355x32 Rotors) Slotted Front Rings