Upgrading Procomp Stage 1

I am seeking guidance for my truck setup-

2008 4wd Long Bed
Supercharged
Procomp Stage 1 (6") Lift Kit
35" tires with 20" Monster XD's
120k miles

I bought my truck setup like this. I never much cared for the smoothness of the ride but it didnt bother me either. Well now i care - and want a smoother ride as I plan to drive this truck into the ground. Reading all day and chatting with friends I am trying to weigh my options for upgrades.
While i would love to find some stock steering knuckles, a 3" King kit and upgrade the rear its going to cost a fortune. So I am trying to look for a more affordable option as well.

I see ICON makes a replacement coil over for the front of this specific kit (leaning towards this). Maybe some custom rear springs (Alcan) to delete blocks.
I also see RCD has some Bilstein's setup and I could delete the spacers up front at least.

Any thoughts , insights, experience, or other legit options would be appreciated.

 

Changing out the front struts to coil overs is a night and day difference. You can also take out the rear add a leaf and preload spacer in the coil, which will help ride quality. I just took off my 6” procomp my self. Currently using the nitro 3-1 kit.

 

bump !

Can anybody else chime in with their .02c ? Appreciate your thoughts

 

if you want smooth ride, get rid of spacers and blocks for coilovers and leaf packs + run 18" tires