Have you thought about taking them to a machinist to get some made up ? You could make a small fortune I'd expect ! i'd have one for a starterjiw said:http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=7980402236&rd=1&sspagename=STRK%3AMEWN%3AIT&rd=1
ive just bought another off ebay, they come up quite often