i used sids 3" drop axle in the front with stock springs and in the rear,all i did was remove 2 springs from the bottom of the springs and put them on the top of the spring with new center bolts and straps that go around the springs, it gave me almost 2" lower in the rear

http://i629.photobucket.com/albums/uu14/kurtdh519/002-1.jpg