Never heard of anyone with vibration after a lift. Make sure your lugnuts are torqued properly. As far as your spacers, pm me a pic of them and maybe I can offer you some advice to make install easier.
Londart had a very difficult install but made it. They don't drop in like the rears.
Everet <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" /> <img src="/forums/images/graemlins/kewl.gif" alt="" />


WWW.UPYOURKIA.COM White 96,4x4, man.hubs,K&N filter,3row rad, twin 16" fans, 3" body lift, 4" UPYOURKIA LIFT KIT,265/75 16 TreadWrights on DC2 wheels,140 amp alt. dual batts.