{"product_id":"axiom-supply-2-5-dual-rate-coil-spring-pair-ford-super-duty-f250-f350-4wd-2005-2026","title":"Axiom Supply 2.5\" Dual Rate Coil Spring Pair Ford Super Duty F250-F350 4WD 2005-2026","description":"\u003ch4\u003e\u003cspan\u003eFitment:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eFits 2005-2026 Ford F-250 - F-350 Super Duty Power Stroke\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eFits 2017-Present Ford F-450 Super Duty 6.7L Power Stroke\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003eFits 2017-Present Ford F-550 Super Duty 6.7L Power Stroke\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for diesel-powered trucks only.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNot compatible with gasoline-powered Super Duty models.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFront axle load ratings may be reduced when installed on F-450 and F-550 applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSold as a pair.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoil springs only. This is not a complete leveling kit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDue to the amount of front lift these springs provide, alignment correction components are strongly recommended. Caster correction shims, aftermarket radius arms, or radius arm drop brackets may be required to restore proper alignment geometry and maintain optimal handling characteristics.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAny time ride height is altered, an adjustable track bar is recommended to properly recenter the front axle and maintain correct suspension geometry.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCoil springs only. This is not a complete leveling kit.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLift Height\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e2005-2019 Super Duty: Approximately 2.5\" Front Lift\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ Super Duty: Approximately 3.5\" Front Lift\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1002\" data-end=\"1005\"\u003e\n\u003cp\u003e\u003cstrong data-start=\"1011\" data-end=\"1023\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDual-Rate Spring Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Delivers a smooth ride during daily driving while providing additional support under load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Power Stroke Diesels:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engineered specifically around the weight and suspension characteristics of Ford's diesel Super Duty platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIncreased Load Handling Capability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Improved spring performance for towing, hauling, off-road use, and demanding work applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePremium Spring Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built to resist sagging and maintain ride height over the long haul.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eShot-Peened for Maximum Durability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Enhances fatigue resistance and long-term structural integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBlack Powder-Coated Finish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides excellent corrosion resistance and a clean OEM-plus appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDirect Bolt-In Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Installs in the factory location without modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1665\" data-end=\"1668\"\u003e\n\u003cp\u003e\u003cstrong data-start=\"1674\" data-end=\"1689\"\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Axiom Supply Dual-Rate Coil Springs were developed for Super Duty owners who demand more from their suspension than the factory setup can provide. Whether your truck spends its time towing heavy trailers, hauling equipment, navigating rough job sites, or exploring off-road terrain, these springs are designed to deliver improved performance without sacrificing ride quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlike conventional single-rate springs, the dual-rate design provides a comfortable and controlled ride during normal driving while increasing support as suspension loads rise. This allows the truck to remain composed under heavy payloads, aggressive driving conditions, and demanding terrain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from premium spring steel and finished with a durable powder coating, these coils are engineered to resist premature sagging and maintain consistent ride height for years of service. Extensive real-world testing has proven their ability to handle everything from daily commuting to severe-duty truck use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause these springs increase front ride height, proper suspension geometry should be addressed during installation. We strongly recommend using caster correction shims, aftermarket radius arms, or radius arm drop brackets to restore factory alignment specifications and maintain proper steering feel, tracking, and tire wear. Additionally, an adjustable front track bar is recommended to recenter the axle after lifting the vehicle and ensure optimal suspension performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUnderstanding the Lift Height:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFord lowered the factory front ride height on 2020+ Super Duty trucks by approximately one inch compared to previous generations. Because of this change, the same coil spring produces different lift measurements depending on model year.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e2005-2019 Super Duty: Approximately 2.5\" of front lift\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ Super Duty: Approximately 3.5\" of front lift\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor 2020+ Tremor models, which already include a factory suspension lift, these springs typically provide approximately 1.5\" of additional front lift.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"1542\" data-start=\"1539\"\u003e\n\u003ch4\u003e\u003cspan\u003eWHY AXIOM SUPPLY\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned specifically for the weight of Power Stroke diesel trucks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"isSelectedEnd\"\u003e\u003cspan\u003eProvides improved ride quality without sacrificing load support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuilt to handle towing, hauling, off-road use, and daily driving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"isSelectedEnd\"\u003e\u003cspan\u003ePremium materials help eliminate premature spring sag\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"isSelectedEnd\"\u003e\u003cspan\u003eMaintains consistent ride height and suspension performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtensively tested in real world conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2481\" data-end=\"2484\"\u003e\n\u003cp\u003e\u003cstrong data-start=\"2490\" data-end=\"2502\"\u003eIncludes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2505\" data-end=\"2562\"\u003e(2) Axiom Supply Dual-Rate Front Coil Springs\u003cstrong data-start=\"2573\" data-end=\"2598\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2699\" data-end=\"2702\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Axiom No-Nonsense Lifetime Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur suspension and steering components are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ewarrantied for life\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto the original purchaser against any\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emanufacturer defects, premature wear, or breakage\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003ePush it to the limit—we don’t care.\u003cbr\u003e\u003cstrong\u003eIf the part lets you down, we will make it up to you!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Axiom Supply","offers":[{"title":"Default Title","offer_id":47681962541161,"sku":"AXFDC25","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/6102\/3849\/files\/AXFDC25.png?v=1781047387","url":"https:\/\/axiomsupply.com\/products\/axiom-supply-2-5-dual-rate-coil-spring-pair-ford-super-duty-f250-f350-4wd-2005-2026","provider":"Axiom Supply","version":"1.0","type":"link"}