Hi, I bought one of these from the bloke a month or so ago. I finally got it fitted last Saturday, and went for the first ride with it on Sunday. Works very well, although I think I need to adjust it slightly. They seem to be high quality items.
I needed to get a nut and a spacer to make the RS clutch fit a standard road bike. Nut was about a fiver, but the washer was thirty quid or so
I also got a set of part worn spare plates for seventy quid.
I'm very happy with it. There is one on ebay now from another vendor but it doesn't have plates, you might end up paying another hundred quid or so for plates and fitting kit.
Cheers,
Ian