I've heard a lot of good reports from people using GroundForce kits.
That 9999 kit also says it's a 3/6 kit... not a 3/5.The 9999 on the GF site shows a flip kit. I'd trust the actual GF site.
http://www.groundforce.com/vehicle.asp?id=2008&sale=GMC&make=Sierra 1500
Your mom typed this for me. I was busy.![]()

I think I'm sticking with the McGaughy's kit.