i have an 07 se kc 4x4 with the ready lift spacers and shackles. i want a few more inches and was thinking a body lift. prob a 2 inch. also want to replace the leaf springs, what are good stiff ones for hauling? also want some more lift with those. thinking about coil overs, but wasn't sure if i could keep the spacers with those. What are some stiffer coil overs? whats a good body lift? would i need extended brake lines with 4.5 inches lift? would adjustable uca be compatable? any suggestions? any one running 33's with 4 inches lift?