this is where i got my stuff from.

http://www.fortesparts.com/product_i...roducts_id=229

but can't find the shafts

ford explorers over in the states has the same IRS, here is an open diff one very cheap, but you maybe

http://cgi.ebay.com/ebaymotors/Explo...Q5fAccessories

but if the explorer has irs in the states, maybe it has irs in uk, and you would be able to get the parts from a late scrap explorer.