i have a 77 k-5 that i have been rebuilding. i bought it for 400 bucks out of a backyard. i have replaced everything top to bottom, front to back, except body and suspension. i want a 4" or 6" lift kit. i was thinking of going with the pro-comp kit and rear springs from 4 wheel parts, but ive been hearing good things about tuff country. anyone got an opinion on this matter? if so where can i get a good deal?