Vantech Black Aluminum Bolt-On Cargo Rack System RAM ProMaster 2013-current Low Roof / 136" WB Model H3502DC04B 5'9" Tank sits above the differential:

Tank sits above the differential: no skid plate needed

20-22 Silv/Sra 2500/3500

It will fit any short or long bed full size diesel truck

Lid is attached to the hull of the box with four 4" aluminum butt hinges with 1/4" hinge pins

The 1725140 Buyers Underbody Box is one of the best underbody truck boxes for your money

Vantech Black Aluminum Bolt-On Cargo Rack System RAM ProMaster 2013-current Low Roof / 136" WB Model H3502DC04B 5'9" Tank sits above the differential:Vantech Black Aluminum Bolt On Cargo Rack System RAM ProMaster 2013 current Low Roof 136" WB Model H3502DC04B The DC configuration utilizes an angled faceplate for the front end, and a vertical faceplate in the rear. The angled faceplate acts as a wind foil and reduces drag as well as wind noise when traveling. It also channels air over and around any low profile cargo like ladders and folding tents. The C faceplate attaches vertically and closes off