{"product_id":"2011-26-ford-f-250-350-u-bolts","title":"2011-2026 Ford F-250 \/ F-350 Super Duty U-Bolt Kit | PMF Suspension PMF-UB-SR","description":"PMF Suspension 2011–2026 Ford F-250 \/ F-350 Super Duty Rear U-Bolt Kit\n\n\u003cp\u003eUpgrade or replace the rear u-bolts on your 2011–2026 Ford F-250 or F-350 Super Duty with this custom-built, made-to-order u-bolt kit from \u003cstrong\u003ePMF Suspension\u003c\/strong\u003e (Precision Metal Fabrication) — one of the most trusted names in Ford Super Duty suspension components. Each kit is custom bent in-house to your exact specifications using industry-leading materials, ensuring a precise fit whether you're running a stock setup, a lift kit with blocks, or a high-horsepower build that demands maximum clamping strength.\u003c\/p\u003e\n\n\u003cp\u003eThese u-bolts are a \u003cstrong\u003eu-bolt down configuration\u003c\/strong\u003e, meaning the u-bolt nuts sit underneath the bottom of the axle — matching the factory orientation on these trucks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Built to Order — Please allow 7–12 business days for processing and fulfillment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKit Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e(4) Custom-bent U-bolts\u003c\/li\u003e\n  \u003cli\u003e(8) Tall heavy-duty nuts\u003c\/li\u003e\n  \u003cli\u003e(8) Extra-thick grade 8 washers\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003e3\/4\" diameter kits also include Adjustable Location U-Bolt Top Plates\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2011\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2012\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2013\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2014\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2015\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2016\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2017\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2018\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2019\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2020\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2021\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2022\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2023\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2024\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2025\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2026\u003c\/strong\u003e Ford F-250 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2011–2026\u003c\/strong\u003e Ford F-350 Super Duty (2WD \u0026amp; 4WD, SRW \u0026amp; DRW)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatible with: 6.7L Power Stroke Diesel, 6.2L V8 Gas, 7.3L V8 Gas engines. Designed for \u003cstrong\u003erear axle suspension use only\u003c\/strong\u003e. Front u-bolt kits are available — contact us directly to order.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eConfiguration Guide — How to Order the Right Kit\u003c\/h3\u003e\n\n\u003ch4\u003eStep 1: U-Bolt Diameter\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e5\/8\" Diameter (Standard)\u003c\/strong\u003e — This is the factory diameter that came stock on these trucks. Suitable for most street, towing, and mild off-road applications. Recommended for trucks with up to 7\" lift blocks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3\/4\" Diameter (Upgraded)\u003c\/strong\u003e — Recommended for high-horsepower builds and trucks running lift blocks taller than 7\". The larger diameter provides significantly increased clamping force and resistance to axle wrap. Kits include upgraded \u003cstrong\u003eAdjustable Location U-Bolt Top Plates\u003c\/strong\u003e and convert to a u-bolt-up configuration (nuts and plate on top of the leaf pack).\u003c\/p\u003e\n\n\u003ch4\u003eStep 2: Block Height\u003c\/h4\u003e\n\u003cp\u003eSelect the height of the lift block(s) you are running. Measure the block height at the center — directly over the top of the axle. \u003cstrong\u003eIf you fall between sizes, always round up to the taller option.\u003c\/strong\u003e Available heights: None (stock), 1\", 2\", 3\", 4\", 5\", 6\", 7\", 8\", 9\", 10\".\u003c\/p\u003e\n\n\u003ch4\u003eStep 3: Leaf Pack Type\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWithout Top Overload Leafs (Standard Pack)\u003c\/strong\u003e — A standard leaf pack where the topmost leaf runs full length from eyelet to eyelet. Typical total thickness is 2–3\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWith Top Mounted Overload Springs\u003c\/strong\u003e — For trucks with a thicker leaf pack featuring a separate overload spring and spacer between the main pack and the top overload. This overload spring is not connected at either end. If your pack is thicker than 3\", select this option.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eMaterial \u0026amp; Construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMade from \u003cstrong\u003eGrade 8 fine-thread threaded rod\u003c\/strong\u003e — the industry standard for high-strength suspension hardware\u003c\/li\u003e\n  \u003cli\u003eCustom bent in-house at PMF's Tucson, Arizona facility using professional bending equipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtra-thick washers\u003c\/strong\u003e for maximum load distribution and clamping surface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTall heavy-duty nuts\u003c\/strong\u003e for increased thread engagement and torque capacity\u003c\/li\u003e\n  \u003cli\u003eShipped in a \u003cstrong\u003eraw (uncoated) finish\u003c\/strong\u003e — ready for your preferred coating or rust treatment\u003c\/li\u003e\n  \u003cli\u003eAll kits are \u003cstrong\u003emade to order\u003c\/strong\u003e — custom bent to your exact configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eOptional Add-On: Adjustable U-Bolt Top Plates (+$49.99)\u003c\/h3\u003e\n\u003cp\u003eReplaces your factory u-bolt top plates to allow the rear axle to be moved forward or rearward for alignment purposes. Compatible with lift blocks that feature adjustable alignment pins. Laser cut from 3\/8\" plate steel and CNC bent for maximum strength — significantly stronger than the factory 1\/4\" OEM plates. Fits axle diameters from 3.5\" to 4.0\", making them compatible with both single rear wheel (SRW) and dual rear wheel (DRW) Super Duty trucks with a 3\" wide spring. \u003cem\u003eNote: These require a lift leaf pack — they are NOT compatible with factory leaves.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eAbout PMF Suspension\u003c\/h3\u003e\n\u003cp\u003ePMF Suspension (Precision Metal Fabrication) is a small, family-owned manufacturing facility based in Tucson, Arizona, specializing exclusively in Ford Super Duty suspension components. Trusted by F-250, F-350, and F-450 owners across the country, PMF products are known for precision craftsmanship, American-made quality, and real-world durability in towing, off-road, and performance applications.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these for the front or rear of the truck?\u003c\/strong\u003e\u003cbr\u003eA: All standard kits are for the rear. Front u-bolt kits are available — please contact us directly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What axle diameter do I have?\u003c\/strong\u003e\u003cbr\u003eA: Single Rear Wheel (SRW) trucks have a 3.5\" axle. Dual Rear Wheel (DRW) trucks have a 4.0\" axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to upgrade to 3\/4\" u-bolts?\u003c\/strong\u003e\u003cbr\u003eA: If you have a high-horsepower engine build OR are running lift blocks taller than 7\", we strongly recommend upgrading to 3\/4\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What finish do these ship in?\u003c\/strong\u003e\u003cbr\u003eA: All kits ship in a raw uncoated finish. We recommend applying your preferred rust inhibitor or coating after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long until my order ships?\u003c\/strong\u003e\u003cbr\u003eA: These are built to order. Please allow 7–12 business days for processing and fulfillment.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PMF-UB-SR | \u003cstrong\u003eBrand:\u003c\/strong\u003e PMF Suspension | \u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompatible search terms: 2011-2026 Ford Super Duty u-bolts, F250 F350 lift block u-bolts, PMF ubolts, Superduty rear suspension u-bolt kit, 6.7 Powerstroke u-bolts, Ford Super Duty leaf spring u-bolts, PMF-UB-SR-625, PMF-UB-SR-75\u003c\/p\u003e\n]]\u0026gt;","brand":"PMF","offers":[{"title":"5\/8\" \/ None \/ Without Top Overload Leafs","offer_id":44415562186794,"sku":"PMF-UB-SR-625","price":89.0,"currency_code":"USD","in_stock":true},{"title":"5\/8\" \/ None \/ With Top Mounted Overload Springs","offer_id":44415562219562,"sku":"PMF-UB-SR-625-OV","price":89.0,"currency_code":"USD","in_stock":true},{"title":"5\/8\" \/ 1\" \/ Without Top Overload 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