Hellwig 03-18 Ford E-450 SD Load Pro- To 3500lb Constant Rate Level LC Helper Spring w/11 Leaf Stack - 9645

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.
Installation Instructions