First post here and looking for wise counsel.
We have a 1999 Explorer XLT, 4.0L SOHC and the 3.73 axle ratio. The kit is rated at 5,680lbs max towing capacity.
The Coleman Avalon (Highlander Series) has a GVWR of 4,600lbs and a UVW of 3,805lbs.
80% of the Explorer's 5,680lbs is 4,544lbs...