{"product_id":"dirt-king-4130-upper-control-arms","title":"Dirt King | 4130 Upper Control Arms 2007-2018 Silverado \u0026 Sierra 1500","description":"\u003cp\u003e\u003cstrong\u003eDirt King 4130 Upper Control Arms – Built to Solve Real Problems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you drive a 2007–2018 GM 1500 (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.\u003c\/p\u003e\n\u003cp\u003eThese 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 coilovers like King, Fox, Icon, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Go Dirt King?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSilentSpin™ bushings — no squeaks or maintenance\u003c\/li\u003e\n\u003cli\u003ePro 4 ball joints with sealed dust caps\u003c\/li\u003e\n\u003cli\u003eRebuildable, USA-made construction\u003c\/li\u003e\n\u003cli\u003ePrecision-welded 4130 chromoly tubing\u003c\/li\u003e\n\u003cli\u003eShipped preassembled for faster installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade Your GM 1500 With Confidence\u003c\/strong\u003e\u003cbr\u003eBuilt and tested in the USA, these 4130 UCAs are engineered for the long haul—perfect for rigs that work hard on weekdays and explore even harder on weekends. It’s the last set of upper control arms you’ll ever need.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cul\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: 17”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eWheel Travel \/ Lift\u003c\/strong\u003e\u003cbr\u003eThe Dirt King upper control arms must be paired with aftermarket coilover shocks to lift the vehicle. These UCAs offer more usable down travel compared to stock arms. Compatible with Dirt King, King, Fox, Bilstein, ADS, Icon, Eibach, and other OEM replacement coilovers.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDo not install with coil spacers paired with extended-length aftermarket shocks.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Dirt King","offers":[{"title":"Cast Steel 07-16 Models \/ Gold","offer_id":48798343954687,"sku":"DK-631993-GD","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Steel 07-16 Models \/ Black","offer_id":48798343987455,"sku":"DK-631993-BK","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Steel 07-16 Models \/ Clear","offer_id":48798344020223,"sku":"DK-631993-CL","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Steel 07-16 Models \/ Blue","offer_id":48798344052991,"sku":"DK-631993-BL","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Steel 07-16 Models \/ Purple","offer_id":48798344085759,"sku":"DK-631993-PR","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Steel 07-16 Models \/ Red","offer_id":48798344118527,"sku":"DK-631993-RD","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Steel 07-16 Models \/ Orange","offer_id":48798344151295,"sku":"DK-631993-OR","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Steel 07-16 Models \/ Bronze","offer_id":48798344184063,"sku":"DK-631993-BZ","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Gold","offer_id":48798344216831,"sku":"DK-635993-GD","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Black","offer_id":48798344249599,"sku":"DK-635993-BK","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Clear","offer_id":48798344282367,"sku":"DK-635993-CL","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Blue","offer_id":48798344315135,"sku":"DK-635993-BL","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Purple","offer_id":48798344347903,"sku":"DK-635993-PR","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Red","offer_id":48798344380671,"sku":"DK-635993-RD","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Orange","offer_id":48798344413439,"sku":"DK-635993-OR","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Cast Aluminum 14-16 Models \/ Bronze","offer_id":48798344446207,"sku":"DK-635993-BZ","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Gold","offer_id":48798344478975,"sku":"DK-635993-GD","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Black","offer_id":48798344511743,"sku":"DK-635993-BK","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Clear","offer_id":48798344544511,"sku":"DK-635993-CL","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Blue","offer_id":48798344577279,"sku":"DK-635993-BL","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Purple","offer_id":48798344610047,"sku":"DK-635993-PR","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Red","offer_id":48798344642815,"sku":"DK-635993-RD","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Orange","offer_id":48798344675583,"sku":"DK-635993-OR","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Stamped Steel 16-18 Models \/ Bronze","offer_id":48798344708351,"sku":"DK-635993-BZ","price":899.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0195\/3434\/8352\/files\/Screenshot2026-07-06143351.png?v=1783373691","url":"https:\/\/underlandoffroad.com\/products\/dirt-king-4130-upper-control-arms","provider":"Underland Offroad","version":"1.0","type":"link"}