If you want to run 35" tires, the Rough Country 6" lift for your Chevy, GMC pickup, Suburban, Tahoe or Yukon is what you need. This complete kit includes front and rear crossmembers, differential drop brackets, drop torsion bar brackets with RCX laser cut logos, kicker braces, upper and lower control arm drops, massive steering link coupled with a heim joint assist link, front & lower skid plates with RCX laser cut logos and a rear block kit with a pair of add-a-leafs to lift the rear. Also included are 4 Nitro 9000 shocks. Shock boots sold separately. Installation does not change the track width.