{"product_id":"dor-929-944","title":"Dorman - Heavy Duty Coil Spring Upgrade - 35 Percent Increased Load Handling - 929-944","description":"\u003cstyle\u003e     body {         font-family: Arial, sans-serif;         line-height: 1.6;         color: #333;         margin: 20px;     }      h2 {         font-size: 1.5em;         color: #2c3e50;         margin-top: 30px;         border-bottom: 2px solid #eee;         padding-bottom: 5px;     }      p {         font-size: 1em;         margin-bottom: 15px;     }      ul {         padding-left: 20px;         margin-bottom: 20px;     }      ul li {         margin-bottom: 10px;         list-style-type: disc;     }      table {         width: 100%;         border-collapse: collapse;         margin-bottom: 30px;     }      table th,     table td {         text-align: left;         padding: 10px;         border: 1px solid #ddd;         font-size: 0.95em;     }      table th {                  width: 40%;         font-weight: bold;     }      table tr:nth-child(even) {         background-color: #fafafa;     } \u003c\/style\u003e  Heavy Duty Coil Spring Upgrade - 35 Percent Increased Load Handling \u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\u003cdiv\u003e\n\u003cp\u003eThis pair of heavy-duty coil springs is designed to provide a 35% increase in load handling capability over the vehicle's nominal spring rate, and offer an easy upgrade for vehicles used in continuous heavy hauling conditions. Custom-engineered to improve ride quality, reduce driver fatigue, and improve handling, they're an ideal replacement for coil springs on many pickup trucks, SUVs, RVs, plow trucks, vans and more. Need even stouter coil springs? Check out the our extra-heavy-duty version of this spring set that provides a 70% increase in load handling capability over your truck's nominal spring rate.\u003c\/p\u003e\n\u003cul id=\"ulFeatureBenefit1\"\u003e\n\u003cli id=\"liFeatureBenefitBullet1\"\u003eUpgraded spring rate - this pair of heavy-duty coil springs is designed to provide a 35% increase in load handling capability over the nominal spring rate of specified vehicles\u003c\/li\u003e\n\u003cli id=\"liFeatureBenefitBullet2\"\u003eIdeal solution - precision-engineered to improve ride quality, reduce driver fatigue and improve handling on many pickup trucks, SUVs, RVs, plow trucks, vans and more\u003c\/li\u003e\n\u003cli id=\"liFeatureBenefitBullet3\"\u003eDurable construction - manufactured from quality steel to help ensure reliable performance and to replace or upgrade worn or damaged coil springs\u003c\/li\u003e\n\u003cli id=\"liFeatureBenefitBullet4\"\u003eHeavier version available - for even greater load handling, upgrade to our extra-stiff version that provides a stout 70% increase in load handling capability over the vehicle's nominal spring rate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch2\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h2\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eColor:\u003c\/th\u003e\n\u003ctd\u003eMetallic Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnd 1 Type:\u003c\/th\u003e\n\u003ctd\u003ePigtail Over Center\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnd 2 Type:\u003c\/th\u003e\n\u003ctd\u003eSemi Closed Plain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish:\u003c\/th\u003e\n\u003ctd\u003ePowder Coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight:\u003c\/th\u003e\n\u003ctd\u003e16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial:\u003c\/th\u003e\n\u003ctd\u003e5160H Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOE Lift:\u003c\/th\u003e\n\u003ctd\u003e+2.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Contents:\u003c\/th\u003e\n\u003ctd\u003e2 Coil Springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging Type:\u003c\/th\u003e\n\u003ctd\u003eBox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Included:\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Rate Type:\u003c\/th\u003e\n\u003ctd\u003eConstant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Type:\u003c\/th\u003e\n\u003ctd\u003eCoil Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuspension Grade Type:\u003c\/th\u003e\n\u003ctd\u003eHD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Diameter:\u003c\/th\u003e\n\u003ctd\u003e0.875 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e \u003ch2\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePositions\u003c\/th\u003e\n\u003cth\u003eApplication Notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2021\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-250 Super Duty\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty; Standard Rate; 35% Over Original Rating; 2 In. Snowplow Lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2021\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-350 Super Duty\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty; Standard Rate; 35% Over Original Rating; 2 In. Snowplow Lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e  \u003cp\u003e\u003cstrong\u003eBuy with confidence\u003c\/strong\u003e – If you encounter any issues with your Dorman  product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our\u003cspan style=\"color: rgb(230, 37, 37);\"\u003e \u003ca style=\"color: rgb(230, 37, 37);\" rel=\"noopener\" href=\"https:\/\/www.wheelsynergy.com\/pages\/return-and-refund-policy\" target=\"_blank\"\u003epolicy guidelines\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e     \u003ch2\u003eWhy Choose Dorman? \u003c\/h2\u003e\u003cp\u003eDorman is a trusted leader in OE-style replacement parts,  offering precision-engineered solutions for reliable performance. Each part undergoes rigorous testing to ensure durability, safety, and a seamless fit.  Designed as a cost-effective alternative to OEM parts, Dorman provides high-quality replacements backed by expert engineering. Choose Dorman for dependable,  long-lasting automotive solutions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":62489262063775,"sku":"591|929-944","price":318.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/4949\/9963\/files\/Upgraded-Coil-Springs_Infographic_35.jpg?v=1757003775","url":"https:\/\/www.wheelsynergy.com\/products\/dor-929-944","provider":"Wheel Synergy","version":"1.0","type":"link"}