But I seem to remember someone saying that there was a West Coast US supplier. I can't recall their name, but you try setting up an account with Motoplan.
Trying surfing the Custom Mods forum, you may find it in there.
i bought the carbon fiber body parts...they look great and add a unique "whats that?" element to the bike.
just my opinion, cutting the fender looks great too, showing off that tire is fun.
Motoplan has an exclusive US importer in California. I considered representing them but the stuff is expensive, very expensive and getting more expensive all the time. Everytime the dollar falls against the Yen, the price goes up. Having said that, if anyone is interested, PM me and I'll pass along the name of the distributor.
Dunno about a UK supplier, the full kit was on when I bought it from Richard at TTS Performance Parts Richard [richard@tts-performance.co.uk] in Northampton. If he managed to get a trade account with them he may give you a discount. Worth a try.