Anyone know where I could get some of these??

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=36631&item=4533709170&rd=1&ssPageName=WDVW

ta,
Rich.

http://www.tifosi.homecall.co.uk/Thread%20screw.html

You wont need them for SVA, but you will need something to cover the locknut

Speak to macspeedy or mangogroove. i believe they sell them. they also do some lovely windscreens.
You could also try an electrical suppliers such as CEF they may have something similair