3.36 diff on ebay
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=270634415793&ssPageName=STRK:MESELX:IT
Oops,posted in wrong thread
[Edited on 15/9/10 by Strontium Dog]
7.5inch though
7.5 still fits MK and other chassis though, and stronger than a 7".