Mate i had a similar problem, what i did to get around it was to go and buy a 2nd hand tow bar off an 80 series Land Cruiser from sunstate 4x4 for 50 bucks. Then took it to my mate who builds boat trailers, he made the ends in 3 hours and it cost 90 bucks for the steel. Most expensive bit was getting it powder coated - I have snatched Prados out of the sand on Fraser Is with it and had no problems.