i went to lowes and bought 1 piece 3/4 plywood. 40 steel screws. trailer shop got 2 10ft sections of e-track. layed the two e-tracks down center 6 inches from wheel well,, made three strips out of the plywood screwed it all down right on top of pad..with e-track umder plywood,,, cost me about $55 took me 1/2 day ...good luck with Panther 125000 miles with them and lovin every min of it