I had a viair 400p. It worked great on my 285/70/17 Nittos. I have since upgraded to an ARB twin for convenience.
I am using the Antigravity XP-10-HD for my portable jumper. It's pretty amazing.
I have some items I need to clear from garage:
1. A set of Nitto Terra Grapplers 265/70/17 with 4,000 miles ($400 obo)
2. One 5th Gen Stock Spare [Bridgestone Dueler H/T 684 II] with 0 miles ($100 obo)
3. NIB Gobi Ladder and rear gas shocks ($300 obo)
I'd prefer local pickup in 90278.