{"product_id":"icon-vehicle-dynamics-12-grade-8-u-bolt-kit-for-1999-2010-ford-f-250-f","title":"ICON Vehicle Dynamics 12\" Grade 8 U-Bolt Kit for 1999-2010 Ford F-250\/F-350 SRW and 2000-2005 Excursion Rear Suspension","description":"\u003cp class=\"product-lead\"\u003eThe ICON Vehicle Dynamics 12\" U-Bolt Kit is a rear suspension hardware kit for 1999–2010 Ford F-250 and F-350 Single Rear Wheel Super Duty trucks and 2000–2005 Ford Excursion, designed to secure leaf springs to the rear axle when running a lift block or replacement leaf spring pack. The kit ships with grade 8 U-bolts, mounting nuts, and washers.\u003c\/p\u003e\n\u003cp class=\"product-shipping-note\"\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e ICON parts ship direct from ICON Vehicle Dynamics, mostly by UPS Ground. Lead times vary by part and some items are built to order, so please allow extra time. We email tracking as soon as your order ships.\u003c\/p\u003e\n\n\u003ch2\u003eGrade 8 Steel Where It Counts\u003c\/h2\u003e\n\u003cp\u003eGrade 8 is the highest common SAE bolt classification for automotive hardware, meaning these U-bolts are rated for the clamping loads a heavy-duty truck rear axle generates under load and off-road stress. Hardware rated below this spec can allow leaf spring walk or axle shift, problems that are difficult to diagnose and dangerous to ignore. Specifying grade 8 here removes that variable from a rear suspension rebuild.\u003c\/p\u003e\n\n\u003ch2\u003eCorrosion Resistance Built In\u003c\/h2\u003e\n\u003cp\u003eThe black E-coat (electrocoat) finish bonds to the steel at the molecular level before any topcoat is applied, giving the U-bolts a corrosion barrier that holds up to road salt, mud, and standing water better than a simple paint or zinc dip. A component that lives under the frame and behind the rear axle is difficult to inspect and hard to replace mid-trip, so a durable finish matters more here than it would on a visible part.\u003c\/p\u003e\n\n\u003ch2\u003eComplete Hardware Included\u003c\/h2\u003e\n\u003cp\u003eThe kit includes the U-bolts, nuts, and washers needed for installation, so the job does not stall waiting for a separate hardware order. The 12\" length is compatible with a variety of leaf spring and rear block combinations on these applications.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade 8 steel construction:\u003c\/strong\u003e high-strength hardware rated for heavy-duty rear axle clamping loads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12\" U-bolt length:\u003c\/strong\u003e compatible with a range of leaf spring and rear block configurations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack E-coat finish:\u003c\/strong\u003e electrocoat corrosion protection for under-vehicle exposure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e U-bolts, nuts, and washers included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle-specific design:\u003c\/strong\u003e engineered for 1999–2010 Ford F-250\/F-350 SRW Super Duty and 2000–2005 Ford Excursion rear suspension\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eDetail\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSKU\u003c\/td\u003e\n      \u003ctd\u003e37004\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eU-Bolt Length\u003c\/td\u003e\n      \u003ctd\u003e12 inches\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHardware Grade\u003c\/td\u003e\n      \u003ctd\u003eGrade 8\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFinish\u003c\/td\u003e\n      \u003ctd\u003eBlack E-coat\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Contents\u003c\/td\u003e\n      \u003ctd\u003eU-bolts, nuts, washers\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n      \u003ctd\u003e1999–2010 Ford F-250\/F-350 (Single Rear Wheel) Super Duty; 2000–2005 Ford Excursion, rear axle\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eShip Weight\u003c\/td\u003e\n      \u003ctd\u003e10 lb\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Is For and Isn't\u003c\/h2\u003e\n\u003cp class=\"product-fit-yes\"\u003eThis kit suits owners of 1999–2010 Ford F-250 or F-350 Single Rear Wheel Super Duty trucks and 2000–2005 Ford Excursion who are installing a rear lift block, replacing a leaf spring pack, or refreshing worn U-bolt hardware on the rear axle.\u003c\/p\u003e\n\u003cp class=\"product-fit-no\"\u003eThis kit does not fit F-350 trucks equipped with dual rear wheels (DRW\/Dually). It is a rear-axle kit and is not intended for front suspension applications.\u003c\/p\u003e\n\n\u003cp\u003eWARNING (California Proposition 65): This product contains chemicals known to the State of California to cause cancer, birth anomalies, or other reproductive harm.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003ch3 class=\"product-faq-q\"\u003eWhat is included in this U-bolt kit?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe ICON 12\" U-Bolt Kit includes the U-bolts themselves along with the mounting nuts and washers required for installation on the rear axle of compatible Ford F-250, F-350 SRW Super Duty, and Ford Excursion applications.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eWill this kit fit an F-350 with dual rear wheels?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eNo. This U-bolt kit is designed for Single Rear Wheel (SRW) F-350 Super Duty trucks only. Per ICON's application note, it will not fit F-350 models equipped with dual rear wheels (DRW or Dually configuration).\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eWhat leaf spring and block combinations does the 12\" length accommodate?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe 12\" U-bolt length is compatible with a variety of leaf spring and rear block options on these Ford applications. For confirmation that a specific block height or spring pack combination falls within that range, consult ICON's fitment resources or contact TerrainVault before ordering.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eWhy does the hardware grade matter for U-bolts?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eGrade 8 is a high-strength SAE bolt classification. U-bolts on a heavy-duty truck rear axle must maintain clamping force under load, vibration, and off-road stress. Lower-grade hardware can stretch or loosen over time, allowing leaf spring movement or axle shift, so the grade 8 spec here is a meaningful safety and durability detail, not a marketing claim.\u003c\/p\u003e","brand":"ICON Vehicle Dynamics","offers":[{"title":"Default Title","offer_id":50632449753158,"sku":"37004","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/2203\/1686\/files\/e99c938658b9f8bd533e1c0c888fe2b0-sq.jpg?v=1791971420","url":"https:\/\/terrainvault.com\/products\/icon-vehicle-dynamics-12-grade-8-u-bolt-kit-for-1999-2010-ford-f-250-f","provider":"TerrainVault","version":"1.0","type":"link"}