2011-2025 Powerstroke LP-35 Helper Springs (3511)

The Hellwig LP-35 is a full-time, load-leveling leaf helper spring for 2011 to 2025 Ford F-250/F-350 Super Duty, plus 2016 and newer F-450/F-550 cab and chassis. It bolts in above the factory leaf pack and carries the load at all times, not only when the suspension bottoms out, so the truck stays level and planted when you tow or haul.

Rated at 3,500 lb, the LP-35 is the heavy-duty workhorse of the Hellwig spring line and a go-to for fleet and work trucks that run loaded every day. It is finished in Silver Hammertone powder coat and backed by Hellwig's lifetime warranty.

• Full-time spring rate that supports the load at all times, not only under hard compression
• 3,500 lb rated load capacity
• Levels the truck and reduces rear sag and body roll when towing or hauling
• Silver Hammertone powder-coated spring steel
• Bolt-on install with no drilling or welding
• Fits 2WD and 4WD
• Lifetime warranty

• Requires Hellwig mounting kit PN 25301 (sold separately)
• Not for trucks with factory overload contact springs. Use PN 9703 on those trucks instead.
• Not applicable for vehicles equipped with load-leveling sensors