The Hellwig LP-25 helper spring set is a progressive-rate helper spring designed to add up to 2,500 lb level load capacity for Dodge, Ford and GM applications where extra load support is needed. It is intended for consistent heavy-load use and requires the appropriate LP installation kit. The kit is tunable and backed by Hellwig's limited lifetime warranty; check fitment notes for correct vehicle application.
Hellwig 04-09 Ford E-350 SD Load Pro - Up To 2500lb Level LC 3 Leaf Helper Spring w/o Mounting Kit