01-07 Ford F-350 SD Load Pro- To 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit Hellwig 3520

The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.