I'm looking for some too, top bushings, lower ones too if I can find them. Will post when I find some.
try this place: <!-- m --><a class="postlink" href="http://www.southerncrosssports.com/index2.html">http://www.southerncrosssports.com/index2.html</a><!-- m --> i think one of the uk/irish guys actually found it - i know its in melbourne australia but pretty sure they do international orders