I only need an inch lower in the rear can anyone help

I'm not sure on getting a shorter shock for the rear, but if you run air shocks I believe it would lower a little more just make sure you keep some air in the shocks. Depending on how much air you run, it will make for a better ride too. But de-arching the leafs will get you about an extra inch of drop.

Can some one school me on these air shocks? Is it like ajustable suspension? Or what?