{"product_id":"ez-550-heavy-duty-helper-spring-kit-for-ford-gmc-pickup-trucks-suv-trailers","title":"‎EZ-550 Heavy Duty Helper Spring Kit For Ford GMC Pickup Trucks SUV \u0026 Trailers","description":"\u003ch2\u003eEZ-550 Heavy Duty Helper Spring Kit for Ford and GMC Pickup Trucks, SUVs, and Trailers\u003c\/h2\u003e\u003cp\u003eThis EZ-550 heavy duty helper spring kit reinforces rear leaf springs to reduce sag and improve load control on Ford and GMC pickups, SUVs, and trailers.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe EZ-550 heavy duty helper spring kit is a bolt-on suspension upgrade that adds progressive spring rate to factory leaf packs, targeting overloads and heavy cargo. It stabilizes ride height when towing campers, boats, or equipment, and it keeps headlights aimed correctly and steering responsive for owners who regularly haul heavy loads.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength steel leaves resist fatigue and sag under constant load\u003c\/li\u003e\n\u003cli\u003eProgressive spring rate automatically stiffens as weight increases\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant powder-coat finish stands up to road salt and moisture\u003c\/li\u003e\n\u003cli\u003eAdjustable tension lets you fine-tune load support to match your setup\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on design requires no drilling or welding on most applications\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware and detailed instructions for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Ford F-150\u003c\/li\u003e\n\u003cli\u003efor Ford F-250\u003c\/li\u003e\n\u003cli\u003efor Ford Expedition\u003c\/li\u003e\n\u003cli\u003efor GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003efor GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003efor GMC Yukon\u003c\/li\u003e\n\u003cli\u003efor utility and cargo trailers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHauling firewood, gravel, or building supplies in a pickup bed\u003c\/li\u003e\n\u003cli\u003eTowing travel trailers, enclosed car haulers, or boat trailers\u003c\/li\u003e\n\u003cli\u003eCarrying slide-in truck campers and maintaining level suspension\u003c\/li\u003e\n\u003cli\u003eRunning hydraulic dump trailers without dangerous rear squat\u003c\/li\u003e\n\u003cli\u003eRiding loaded on uneven job-site or ranch roads with improved stability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEZ-550\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this helper spring kit work with my existing lift or leveling kit? \u003cstrong\u003eA:\u003c\/strong\u003e In most cases yes, but you should measure your current spring pack thickness and check the included U-bolt length to ensure proper clamping; small adjustments to the mounting brackets may be needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to install the EZ-550 kit on both sides? \u003cstrong\u003eA:\u003c\/strong\u003e Absolutely, helper springs should always be installed in pairs to keep the suspension balanced and prevent uneven handling or tire wear.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44965145608278,"sku":"ZZ3A01342","price":221.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_a15fbf81-47c3-42c7-9f52-ef31ef462874.jpg?v=1781654340","url":"https:\/\/www.solidspare.com\/products\/ez-550-heavy-duty-helper-spring-kit-for-ford-gmc-pickup-trucks-suv-trailers","provider":"Solid Spare","version":"1.0","type":"link"}