with the suspension mods you mentioned + .75” wheel spacers on stock sas wheels & JKS max tire kit you should be just fine.
check out Bradley Thornton fitting 38s posts. He’s done extensive testing
You can put up to 2 of the round top hats on each shock & the U style dohickies go on the bottom of your front shocks ( you can use those in addition to the top hat spacer) .should be almost 1” up front around .5” rear. You’ll need an alignment after.
the below post was my wheel spacing solution.
Bought new wheels as I wanted to reduce wheel weight and get rid of the 1” spacers. These are Vision wheels 17X9 with 12mm backspacing. Very pleased with the results.
I actually like the stock Sasquatch wheels but they are not the lightest and...
All true. The sumosprings are adjustable, to some extent, as it applies to how far into articulation they make contact. These are ready handy for hauling heavy gear loads without fear of bottoming out your suspension.