Hi Bob,
Apparently there is a replacement part: 966069AAA
I've managed to find a thread with photos here:
http://www.ducati1.de/showthread.php...48-916-996-998 I fitted the taller version of some Woodcraft clipons to my Aprilia recently think they look very similar:
http://www.biketorqueracing.co.uk/ch...craft-clip-ons or maybe one of the Big Euro dealers:
http://www.ducati-kaemna.de/