The Airlift Kit I mentioned would fit the bill. If you route your air hoses into two separate lines, instead of a t-fitting, you can inflate or deflate each independently. They hold between 5psi to 25 psi.Just wanted to say thanks for doing such a complete write up on your build… it was a beautiful 70° here as well ( :
have you looked to see if there are airbag levelers for towing with these vehicles? It's hard to beat them if they are.