Increase Spring Rate and Stability

The Hellwig EZ-550 Helper Spring Kits are designed for the vehicle that needs a lighter assist in carrying the load. They can be easily adjusted using the heavy duty u-bolts included in the kit using simple hand tools to meet your changing loads. EZ-550 Springs are heat-treated for strength, durability, and help to provide a safer, level ride. Hellwig EZ-550 Helper Spring Kits are made with high-quality ASTM 5150 alloy spring steel and are designed to reduce leaf spring wrap up and increase load capacity 500 pounds. Simple to install, these kits are packaged with heavy duty powder coated and plated components, hardware and installation instructions.