Looking for a good quality leveling kit, is the procomp a good kit? I wanted to get something with shocks.. Ive heard the RC leveling kit springs sag over time.. is this true? I was looking at something like this,

http://www.procompusa.com/prodDetail...3533&plID=1808

I have a 1993 F-150 4x4 Supercab...

Whats the chances I can throw 32's under it after? I have 31.10.5s now, stock with no issues or rubbing.