I have searched high and low for years for a set of these (whilst my car was on the road anyway)
and then today - Evilbay
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...4552154011&rd=1
They looked a bit new to be NOS so I do a bit of digging and checked out Porsche, lo and behold
http://content3.us.porsche.com/prod/servic...kerglasweifr914
They have remade them, I really ought to check the original parts source more often but I always find P dealers so expensive