Good eye. They are, indeed, 37s on 17s. There are not a ton of options at this size that also perform well in snow and off road in the conditions I often find myself when taking the kids out camping. They are not perfect, but they work well for how I use the truck.
I finally finished my build by putting in a warn HD bumper, 15k pound winch, a set of lp9 and squadron lights, mounted my traction boards, and installed my air compressor in my cargo box.
I know I’m a little late to this thread, but I’ve had a full carli pin top setup on my 21 for a few years now. My setup includes the Deaver rear leaf springs and 37 inch tires with the appropriate (I.e not fully inflated) tire pressure and can confirm that it rides much better than stock. Last...