Think Martin would also sell a kit but as he has done loads I reckon you are better getting him to do it. I don't think the box needs modding does it?

http://www.reyland.co.uk/Details.asp?ProductID=43

Ask Mike, Wes, Warren, Marco or any of the millions of people that have had them done how good they are

Warren missed out on TOTB because of a shonky clutch mech! Fit the proper one