Aide you mean the Rear Master cylinder bracket, its the same bracket on the 998 as used on the 748 / 916 / 996 / 750SSie / 900SSie and the 749 and 999 to name a few
http://www.ebay.co.uk/itm/Ducati-Rea...em5d33e 86dda http://www.ebay.co.uk/itm/Ducati-ST3...em3f1bf 5e47d