I have a set of brand new 2011 oem C14 rotors for sale, still in the box. If you have the early rotors, '08, '09' '10 and have chattering or pulsing, these are the 2011 part number from Kawi to fix the issues of the early rotors....
http://www.ebay.com/itm/160896361472?item=160896361472&viewitem=&sspagename=ADME:L:LCA:MOTORS:1123&vxp=mtr
http://www.ebay.com/itm/160896361472?item=160896361472&viewitem=&sspagename=ADME:L:LCA:MOTORS:1123&vxp=mtr