Thanks guys! I bought the spacers on Ebay from the seller Sprngbender. They are located in Boise Idaho. Great price and a fairly easy install! The ride didn't change at all. Next up will probably be 35" Terra Grapplers. Not sure if I will change the wheels yet. For the first time I actually like the wheels my truck came with.
2015 Ram 2500 6.4L Hemi, 4:10 gear ratio, 5" Rough Country Lift, 20" MotoMetal 962 Wheels with 0 offset, Nitto Trail Grappler 37 X 12.50 Tires, Bakflip G2 Box Cover, LineX Spray-on Bedliner, Amp Research Power step