I know, I know, they ARE re-treads, but they are very in-expensive and mock BFG all terrains, Goodyear M/T, bridgestone dueler revo A/T, and some strange looking tread pattern also, the link below is to the stock 4x4 size for the expedition. If I knew about theis I would have went here!
http://www.treadwright.com/c-21-265-70r17.aspx
http://www.treadwright.com/c-21-265-70r17.aspx