i was looking around on autoanything for my 2003 xterra.. and i found these.. do these really work.. and if so were do you put them and does anyone have anything like this... i really dont know anything about lifting.. sorry

http://www.autoanything.com/suspension-systems/69A4079A0A0.aspx

THOSE JUST LOOK LIKE COIL SPACERS TO ME
and brother, you have no coil springs

even so, this looks like some random universal garbage to me

6" spacer lift sounds like fail, a 6" body lift smells like fail

if it smells like it and it looks like it....

Those are actually just spacers to add in underneath Air Bellows. It's if you want a few more inches that your bellows won't reach. Definitely not for heavy Offroad use.

http://images.autoanything.com/images/products/rell/suspension/airlift_assembly_model.jpg