Re: New rear springs???
Elbach are the only ones making a lowering springs as far as I know. You could also throw a couple hundred pounds of sand in the back, perhaps fill the spare tire well with something heavy
2011 WK2 Overland Mineral Gray/Black, Advanced warning, V8; 2009 KK Rocky Mtn V6; 2000 WJ Laredo I6; 1979 CJ7 I6... green... miles of smiles :)