{"product_id":"dirt-king-ball-joint-upper-control-arms-2011-2025-lml-l5p","title":"Dirt King 4130 Upper Control Arms, 2011-2025 LML\/L5P","description":"\u003ch4\u003eFits: 2011 thru 2025 Chevy Silverado\/GMC Sierra 2500HD\/3500HD LML\/L5P Duramax Diesel\u003c\/h4\u003e\n\u003cp\u003eIf you drive a 2011–2025 Silverado or Sierra 2500HD (2WD or 4WD) and you're ready for a suspension upgrade, these 4130 UCAs are for you. We made them to tackle the exact issues we kept running into ourselves—squeaky bushings, joints that need constant attention, and geometry thrown off as soon as you add a lift. Whether you’re daily driving, overlanding, rock crawling, or chasing desert trails, these UCAs handle it all. These arms feature maintenance-free SilentSpin™ bushings that eliminate grease fittings and unwanted noise, along with heavy-duty Probearing Pro 4 ball joints for high articulation and superior strength. The ball joints are sealed to block out debris and finished with anodized caps. Built to maintain proper alignment from 0–3\" of lift, these arms also add roughly an inch of down travel compared to stock, a must-have when paired with our shocks or other aftermarket shocks like King, Fox, Icon, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro 4 Series Ball Joints\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Forged SAE4140 housing, 38° of articulation, and induction-hardened ball stud for maximum strength and smoother steering feel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilentSpin Hybrid Bushings\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Maintenance-free, greaseless, and engineered for quiet, free-spinning articulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeometry Corrected\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Improved caster and pivot angles deliver better handling and control with up to 3” of lift\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4130 Chromoly Construction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Built with high-strength tubing and reinforced gussets for extreme durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Rebuildable Design\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– All wear items are replaceable for long-term reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Finishes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Zinc-plated hardware and black powder coat protect against the elements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessionally MIG Welded\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Ensures structural integrity for demanding off-road use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreassembled\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Quick, hassle-free installation with no guesswork\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Built with pride and quality you can trust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ca href=\"https:\/\/dirtking.com\/pages\/dk-638993-instructions\" target=\"_blank\"\u003e\u003ci aria-hidden=\"true\" class=\"fa fa-wrench\"\u003e\u003c\/i\u003e\u003c\/a\u003e\u003cstrong style=\"color: rgb(255, 42, 0); font-size: 0.875rem;\"\u003eIncludes:\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4130 Chromoly upper control arms\u003c\/li\u003e\n\u003cli\u003eProbearing SilentSpin bushings\u003c\/li\u003e\n\u003cli\u003eProBearing Pro ball joints\u003c\/li\u003e\n\u003cli\u003eBall joint caps\u003c\/li\u003e\n\u003cli\u003eDirt King sticker pack\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Travel: Additional 2” of down travel compared to stock\u003c\/li\u003e\n\u003cli\u003eAmount of Lift: Allows for 0-3” of lift\u003c\/li\u003e\n\u003cli\u003eTrack Width: Stock\u003c\/li\u003e\n\u003cli\u003eMaximum Backspacing: 4.75”\u003c\/li\u003e\n\u003cli\u003eMinimum Rim Size: 18”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eOptional:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/dmaxstore.com\/products\/dirt-king-upper-arm-alignment-cams-2011-2023-lml-l5p\" target=\"_blank\"\u003eDirt King Cam Bolts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/dmaxstore.com\/products\/kryptonite-cam-bolt-kit-2011-2019\" target=\"_blank\"\u003eKryptonite Cam Bolts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Dirt King","offers":[{"title":"Gold \/ No Thanks","offer_id":45706641965194,"sku":"DK-638993-GD","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Add Dirt King Cam Bolts","offer_id":45706641997962,"sku":"DK-638993-GD + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Add Kryptonite Cam Bolts","offer_id":45706642030730,"sku":"DK-638993-GD + KR86376","price":993.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ No Thanks","offer_id":47162376192138,"sku":"DK-638993-BK","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add Dirt King Cam Bolts","offer_id":47162376224906,"sku":"DK-638993-BK + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Add Kryptonite Cam Bolts","offer_id":47162376257674,"sku":"DK-638993-BK + KR86376","price":993.99,"currency_code":"USD","in_stock":true},{"title":"Clear \/ No Thanks","offer_id":47162376290442,"sku":"DK-638993-CL","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Clear \/ Add Dirt King Cam Bolts","offer_id":47162376323210,"sku":"DK-638993-CL + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Clear \/ Add Kryptonite Cam Bolts","offer_id":47162376355978,"sku":"DK-638993-CL + KR86376","price":993.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ No Thanks","offer_id":47162376388746,"sku":"DK-638993-BL","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Add Dirt King Cam Bolts","offer_id":47162376421514,"sku":"DK-638993-BL + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Add Kryptonite Cam Bolts","offer_id":47162376454282,"sku":"DK-638993-BL + KR86376","price":993.99,"currency_code":"USD","in_stock":true},{"title":"Purple \/ No Thanks","offer_id":47162376487050,"sku":"DK-638993-PR","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ Add Dirt King Cam Bolts","offer_id":47162376519818,"sku":"DK-638993-PR + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ Add Kryptonite Cam Bolts","offer_id":47162376552586,"sku":"DK-638993-PR + KR86376","price":993.99,"currency_code":"USD","in_stock":true},{"title":"Red \/ No Thanks","offer_id":47162376585354,"sku":"DK-638993-RD","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Add Dirt King Cam Bolts","offer_id":47162376618122,"sku":"DK-638993-RD + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Add Kryptonite Cam Bolts","offer_id":47162376650890,"sku":"DK-638993-RD + KR86376","price":993.99,"currency_code":"USD","in_stock":true},{"title":"Orange \/ No Thanks","offer_id":47162376683658,"sku":"DK-638993-OR","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ Add Dirt King Cam Bolts","offer_id":47162376716426,"sku":"DK-638993-OR + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ Add Kryptonite Cam Bolts","offer_id":47162376749194,"sku":"DK-638993-OR + KR86376","price":993.99,"currency_code":"USD","in_stock":true},{"title":"Bronze \/ No Thanks","offer_id":47162376781962,"sku":"DK-638993-BZ","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Bronze \/ Add Dirt King Cam Bolts","offer_id":47162376814730,"sku":"DK-638993-BZ + DK-638919","price":978.0,"currency_code":"USD","in_stock":true},{"title":"Bronze \/ Add Kryptonite Cam Bolts","offer_id":47162376847498,"sku":"DK-638993-BZ + 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