Front air ride for stock height?

[Bloodhound]

As I reassemble the front end of my 81 C-10, I started thinking about air ride instead of the coil springs. I have POL upper and lower arms, and stock spindles. However, I am looking to maintain the stock ride height. Apparently I’m the only person with such a desire. I have called all the major manufacturers of air ride for these trucks and they all say that their bags will lower it even when fully inflated. So my question is has anyone found air bags to replace the coil springs that can maintain the stock ride height when inflated?