Because of the way the factory sides were made, the bed floor is wider than the tail board of the wrecker bed. I will slice that extra material off so that I can flush up the bedside. You also get an idea how much bedside will be lopped off. The top rail will be modified to decend at a 45 degree angle after the bed pocket behind the wheel well. Still need to move the bedside back 3/4" to center the axle in the wheel well. Gimp, appreciate the offer on fenders. Let me try my options with stuff on hand first.