{"product_id":"2005-2022-ford-super-duty-adjustable-radius-arm-8-13-lift","title":"Ford Adjustable Radius Arms, 2005–2022 Super Duty F-250\/F-350\/F-450, 8–13 in. Lift","description":"\u003ch1\u003e2005–2022 Ford Super Duty Adjustable Radius Arms | 8\"–13\" Lift – F-250 \/ F-350 \/ F-450 – USA-Made\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestore Proper Caster. Center Your Axle. Eliminate Tire Rub on Serious Lifts.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eRunning 8\" to 13\" of lift on your \u003cstrong\u003e2005–2022 Ford F-250, F-350, or F-450 Super Duty\u003c\/strong\u003e? At that height, factory radius arms simply can’t maintain correct steering geometry — and the result is dangerous wander, off-center axle placement, and tire rub. Apoc Industries \u003cstrong\u003eAdjustable Radius Arms\u003c\/strong\u003e are precision-built in East Tennessee from heavy-duty DOM tubing, giving you the length and adjustability needed to bring caster back into spec, re-center your axle in the fender wells, and restore confident, stable handling — even on the most aggressive builds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e⚠️ 4WD Only — Will NOT Fit 2WD Models\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy Apoc Industries Adjustable Radius Arms Are the Right Choice for High-Lift Super Duty Builds\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for 8\"–13\" of Lift\u003c\/strong\u003e: Built specifically for serious lifts where factory arms and standard drop brackets fall short.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUses Drop Radius Arm Brackets\u003c\/strong\u003e: Works in conjunction with drop brackets to achieve proper alignment angles at extreme lift heights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty DOM Tubing\u003c\/strong\u003e: Far stronger than factory stamped arms — built to handle the abuse of big tires, towing, and off-road.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreaseable Flex Joints\u003c\/strong\u003e: Long-life performance with easy maintenance and reduced vibration transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Cam Bolts\u003c\/strong\u003e: Simple alignment adjustments for optimal steering geometry right out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt Tough in the USA\u003c\/strong\u003e: Designed and manufactured in East Tennessee — engineered for the demands of the Super Duty platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy 3–4 Hour Install\u003c\/strong\u003e: Bolt-on design with basic hand tools. Full instructions included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy You Need Adjustable Radius Arms at 8\"+\u003c\/h2\u003e\n\u003cp\u003eFord’s solid front axle has \u003cstrong\u003eno factory caster adjustment\u003c\/strong\u003e. At stock height this isn’t an issue — but once you add significant lift, caster is dramatically reduced and the axle shifts forward out of center. At 8\"–13\" of lift, the symptoms become serious:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSevere steering wander\u003c\/strong\u003e at highway speeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoss of steering returnability\u003c\/strong\u003e — the wheel won’t self-center\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy tire rub\u003c\/strong\u003e when turning — especially with larger tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle shift\u003c\/strong\u003e — the front axle moves forward and sits off-center in the fender wells\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAccelerated and uneven front tire wear\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdjustable radius arms are the \u003cstrong\u003ecorrect fix\u003c\/strong\u003e — not a workaround. They allow you to re-establish proper caster angle and re-center the axle, something cam bolts alone cannot address at this lift height. Wider wheels with aggressive offset will feel the effects of poor caster even more, making this upgrade critical for any serious build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Always set arm length to match your specific lift size. If you’re unsure of your exact lift measurement, contact your lift kit manufacturer to verify before setting arm length. A professional front-end alignment is strongly recommended after installation.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(2) Adjustable Radius Arms with Heavy-Duty DOM Main Tube (Driver \u0026amp; Passenger)\u003c\/li\u003e\n\u003cli\u003eAlignment Cam Bolts\u003c\/li\u003e\n\u003cli\u003eGreaseable Flex Joints\u003c\/li\u003e\n\u003cli\u003eAll Required Hardware\u003c\/li\u003e\n\u003cli\u003eDetailed Installation Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e2005–2022 Ford F-250, F-350, and F-450 Super Duty (4WD models only; confirm exact year\/engine for best results). Designed for use with drop radius arm brackets at 8\"–13\" of lift.\u003c\/p\u003e\n\n\u003ch2\u003eUpgrade Tip\u003c\/h2\u003e\n\u003cp\u003eThese arms are designed to work with drop radius arm brackets for proper geometry at extreme lift heights. Pairing with a complete lift kit? Browse our full \u003ca href=\"https:\/\/apocindustries.com\/collections\/ford-f-250-super-duty\"\u003e\u003cstrong\u003eFord Super Duty suspension lineup\u003c\/strong\u003e\u003c\/a\u003e for lift kits, leveling spacers, and drop brackets to complete your build.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/8961\/files\/R001_ford_radius_arm_instruction.pages?v=1663180603\"\u003e\u003cstrong\u003e📄 Download Install Instructions\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReady to tame your lifted Super Duty?\u003c\/strong\u003e Add these USA-made adjustable radius arms to your cart today and feel the difference premium American-made suspension makes.\u003c\/p\u003e\n\n\u003ch2\u003eExplore More for Your Build\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/apocindustries.com\/products\/2017-2022-ford-f-250-superduty-6-lift-kit-tubular-radius-arm-4wd-diesel\"\u003e6\" Tubular Radius Arm Lift Kit for 2017–2022 Ford F-250 Super Duty\u003c\/a\u003e – Complete lifted suspension solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/apocindustries.com\/products\/2017-2022-ford-f-250-f-350-super-duty-radius-arm-drop-bracket-by-apoc-industries-2-4-lift\"\u003eRadius Arm Drop Brackets for 2–4\" Lift\u003c\/a\u003e – Extra flexibility for your build.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/apocindustries.com\/collections\/ford-f-250-super-duty\"\u003eFull Ford F-250 Super Duty Collection\u003c\/a\u003e – Browse more lift kits, leveling spacers \u0026amp; accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eApoc Industries\u003c\/strong\u003e – Proud East Tennessee manufacturer of premium off-road suspension components. Built for enthusiasts, by enthusiasts. Direct-to-you pricing with fast shipping and expert support.\u003c\/p\u003e\n\n\u003cem\u003eShop confidently with our satisfaction guarantee and lifetime customer support on all suspension products.\u003c\/em\u003e","brand":"Apoc Industries","offers":[{"title":"Default Title","offer_id":40521244672061,"sku":"9-303 + AP-900-381","price":1149.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8961\/files\/2005-2016-Ford-Superduty-F-250-Adjustable-Radius-arm-8_-13_-of-lift-Apoc-Industries-54741130.jpg?v=1785170542","url":"https:\/\/apocindustries.com\/products\/2005-2022-ford-super-duty-adjustable-radius-arm-8-13-lift","provider":"Apoc Industries","version":"1.0","type":"link"}