well the least lift to clear 33"s would be zero!
as long as your rims have enough backspacing or if you use some high quality spacers you're good to go.
As for the bumper- a 3/4" leveling spacer should help out with that.
as long as your rims have enough backspacing or if you use some high quality spacers you're good to go.
As for the bumper- a 3/4" leveling spacer should help out with that.