Load Leveling Solution. The Hellwig LP-25 Progressive Rate Load Leveling Helper Springs are engineered to provide consistent rear suspension support and significantly reduce sag under heavy payloads. Designed for heavy-duty pickups, these helper springs maintain vehicle level when loaded, enhancing handling, stability, and ride comfort during towing and hauling.

Construction and Appearance. Crafted from high-quality spring steel with a powder-coated finish, these helper springs resist corrosion and wear for long-lasting durability. The progressive rate coil design adapts smoothly to varying load weights, ensuring reliable performance from unloaded to fully loaded states.

Installation. Installation requires a separate mounting kit; no drilling is typically necessary when proper mounts are used. Removal of factory contact overload springs or use of a contact overload spring kit is required for proper fitment. The installation is straightforward for those familiar with suspension components.

Warranty. These helper springs include a lifetime warranty, reflecting confidence in their durability and quality.Application. Designed to fit 2011 to 2026 Ford F-250, F-350, F-450, and F-550 Super Duty single rear wheel models only. They do not fit dual rear wheel configurations.

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