01 3500 crew 4x4 DJM 6/8 helper bags

I have a 01 chevy 3500 crew cab 4wd that installed the full DJM 6/8 setup on. uppers, lowers, cross member, flip kit with c notch (pulled 1" helper) and shocks. I also just ordered a set of Fuel mavericks 22's with 275/45 tires. the truck looks good and sits well but I have noticed that it seems really soft in the rear and if I get it in a small bind the rears rub the lip of the dually fender. I plan on installing a 2" lift shackle but my main issue is that I can not find a helper bag setup for it. I only have 4" of room from the top of the axle to the top of the pocket in the c notch. plus the top of the pocket in the c notch is only 6" wide so I cant run the normal firestone bags.

Can someone help me please. I want to be able to pull my enclosed car trailer and not rip the bed sides off

Air lift makes a helper bag set up for it I have 98 2wd with it and the same set up you have.
The bags mount to your spring