Improve your 2009-2014 F150’s rear suspension performance under load with helper springs designed to reduce sag and enhance towing or hauling stability. These add-on springs work alongside your factory leaf pack to provide extra support when carrying heavy gear, equipment, or trailers. They’re a reliable, maintenance-free solution for work-ready trucks that need better load control without sacrificing everyday ride comfort. Pair your helper springs with our hitch receivers and hitch balls or tow and recovery straps to help keep your truck's towing essentials ready for your next adventure. Ford F-150 Fitments: 2009, 2010, 2011, 2012, 2013, 2014 Ford F150. Submodel Fitments: FX2, FX4, King Ranch, Lariat, Limited, Platinum, STX, XL, XLT. Some Exceptions apply, please see individual product pages for specific fitments.