~(27 lbs. 56X7X7)~ SuperSprings for Ford E-350E-450

SuperSprings are a unique and patented Self-adjusting suspension stabilizing system. They provide users extra load support and reduced body roll without compromising the vehicle ride. SuperSprings; Rear; Self-Adjusting Suspension Stabilizing System; Provides 950 lbs Additional Load Leveling Ability; Do Not Exceed GVWR; Incl. Poly Spring Pad. Proudly Made In The U.S.A. Requires No Maintenance. Self Adjusting Suspension Stabilizing System. Provides 1900 Pounds Of Load Leveling Ability. Reduces Body Roll Up To 30 Pct Without Compromising Ride Quality. Works In Conjunction With Original Equipment Spring Pack. Adjustable Shackles Allow Installation To Suit Various Needs. Typical Installation Completed In Approximately One Hour. SAE 5160H 51 Pct Alloy/60 Pct Carbon High Grade Steel. Shot Peened To Relieve Spring Stress And Extend Product Life. Never Load Any Vehicle Beyond The Manufacturers GVWR.