Quick question...again...

what would be needed to stick this diff in?
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=120669075002&ssPageName=ADME:X:RTQ:AU:1123
the measurements of the perches are spot on. My rear wheels are 10 lug though so would the half shafts swap in and out so I could use my old rims?
Cheers
Damo