Leaf springs

espo sells what you want.. used to only sell stock +1 or +2 inch but think they also offer -1" not also..

eaton are a real nice spring too. little bit more money but you know exactly what spring rate you are getting with them. they sell stock and -1" that i know and maybe more. pete @GMachineDartGT at bergman autocraft sells those.. i have the stock height on our dart.