Is there a lift kit available for 1999 suburban?
Check out Fabtech. They have lifts for all sorts of Chevrolets. www.fabtechmotorsports.com
Do you need a leveling kit if you bought a 6 fabtech suspension kit or when you put the lift on will it level it out?
It depends if you want a bolt on kit or a custom kit, the largest bolt on kit is a 24" Full Throttle supension kit for a 99-04 F-250, F-350, and Excursion, you can fit any size tire underneath it. then you have the custom lift kits, the largest recorded on a street legal truck is a 52" lift with 54" boggers. I personally own an Excursion with the 24" lift kit, and I own…