{"product_id":"rock-krawler-rk06779b-front-lower-arm-jeep-jl-jlu","title":"Rock Krawler 2018+ Jeep Wrangler JL 2DR \/ JLU 4DR Arm Front Lower Adv. Series - Front","description":"\u003ch4\u003eSerious Off-Road Geometry Without the Maintenance Headaches\u003c\/h4\u003e\n\u003cp\u003eThe RK06779B is Rock Krawler's fixed-length Adventure Series front lower control arm, engineered for Jeep Wrangler JL and JLU owners who want a durable, maintenance-free upgrade to their factory suspension. Built from 1.75 inch solid alloy steel bar stock, the RK06779B corrects the bind found in factory lower arms while adding real ground clearance for trail driving.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed from 1.75 inch solid alloy steel bar for maximum strength\u003c\/li\u003e\n\u003cli\u003eRK06779B arm bends upward for improved off-road ground clearance\u003c\/li\u003e\n\u003cli\u003eService free Adventure Series joints at both ends deliver up to 70 degrees of combined misalignment\u003c\/li\u003e\n\u003cli\u003eFixed, non-directional length simplifies installation and eliminates jam nut maintenance\u003c\/li\u003e\n\u003cli\u003eDurable black powder coat finish resists corrosion and trail wear\u003c\/li\u003e\n\u003cli\u003eCorrect geometry ideal for lift heights up to 3.5 inches\u003c\/li\u003e\n\u003cli\u003eSold as the front lower arm only, designed to pair with matching Adventure Series uppers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2026\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2026\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JLU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eRK06779B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRock Krawler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront Lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e1.75 inch solid alloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack powder coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMisalignment Capability\u003c\/td\u003e\n\u003ctd\u003eUp to 70 degrees combined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength Type\u003c\/td\u003e\n\u003ctd\u003eFixed, non-directional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Lift Height\u003c\/td\u003e\n\u003ctd\u003eUp to 3.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eAbuse Proof Lifetime Warranty on hard parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2 x RK06779B Adventure Series Front Lower Control Arms\u003c\/li\u003e\n\u003cli\u003eRequired mounting hardware for OEM-location installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Rock Krawler\u003c\/h4\u003e\n\u003cp\u003eRock Krawler Suspension has spent decades building off-road suspension systems for Jeep and off-road enthusiasts, with a reputation built on abuse proof hard parts and service free joint technology. Every RK06779B arm reflects that same commitment to trail durability and daily drivability.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-2018-jeep-wrangler-jl-2dr-jlu-4dr-front-upper-adventure-series-control-arms\"\u003eRock Krawler 2018+ Jeep Wrangler JL 2DR \/ JLU 4DR Front Upper Adventure Series Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-2018-jeep-wrangler-jl-2dr-jlu-4dr-front-adjustable-track-bar\"\u003eRock Krawler 2018+ Jeep Wrangler JL 2DR \/ JLU 4DR Front Adjustable Track Bar\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-2018-jeep-wrangler-jl-2dr-jlu-4dr-adv-x-series-front-lower-arm\"\u003eRock Krawler 2018+ Jeep Wrangler JL 2DR \/ JLU 4DR Adv. X Series Front Lower Arm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the RK06779B?\u003c\/strong\u003e\u003cp\u003eThe RK06779B is a Rock Krawler Adventure Series fixed length front lower control arm for 2018 and newer Jeep Wrangler JL and JLU models. It is built from 1.75 inch solid alloy steel with service free joints and is designed for lift heights up to 3.5 inches.\u003c\/p\u003e\n\u003cstrong\u003eDoes the RK06779B fit both JL and JLU Wrangler models?\u003c\/strong\u003e\u003cp\u003eYes, the RK06779B fits both the 2 door JL and 4 door JLU Wrangler platforms from 2018 and newer.\u003c\/p\u003e\n\u003cstrong\u003eIs the RK06779B adjustable in length?\u003c\/strong\u003e\u003cp\u003eNo, the RK06779B is a fixed length arm. Rock Krawler also offers the adjustable Adventure X front lower arm if length adjustability is needed.\u003c\/p\u003e\n\u003cstrong\u003eWhat lift height is the RK06779B designed for?\u003c\/strong\u003e\u003cp\u003eThe RK06779B is designed for lift heights up to approximately 3.5 inches when used as part of a complete Adventure Series suspension setup.\u003c\/p\u003e\n\u003cstrong\u003eDo I need to replace both front lower arms or just one?\u003c\/strong\u003e\u003cp\u003eThe RK06779B is sold as a set of two arms so both sides of the front lower suspension are replaced together for consistent geometry.\u003c\/p\u003e\n\u003cstrong\u003eDoes the RK06779B require any drilling or cutting to install?\u003c\/strong\u003e\u003cp\u003eNo, the RK06779B is a bolt-on replacement that uses the factory mounting locations, so no drilling or cutting is required.\u003c\/p\u003e\n\u003cstrong\u003eWhat is the misalignment rating of the RK06779B joints?\u003c\/strong\u003e\u003cp\u003eThe Adventure Series joints on the RK06779B provide up to 70 degrees of combined misalignment capability, which reduces suspension bind during articulation.\u003c\/p\u003e\n\u003cstrong\u003eIs the RK06779B maintenance free?\u003c\/strong\u003e\u003cp\u003eYes, the Adventure Series joints used on the RK06779B are service free and do not require periodic greasing under normal use.\u003c\/p\u003e\n\u003cstrong\u003eWhat warranty covers the RK06779B?\u003c\/strong\u003e\u003cp\u003eThe RK06779B is covered by Rock Krawler's Abuse Proof Lifetime Warranty on hard parts, which replaces arms that are bent, broken, or damaged in a way that affects function when properly installed.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRaise and safely support the front of the Jeep Wrangler on a lift or jack stands.\u003c\/li\u003e\n\u003cli\u003eRemove the front wheels and support the front axle to relieve suspension load.\u003c\/li\u003e\n\u003cli\u003eRemove the factory front lower control arm bolts at the frame and axle mounting points, saving the OEM hardware for reuse.\u003c\/li\u003e\n\u003cli\u003eRemove the factory front lower control arms and discard.\u003c\/li\u003e\n\u003cli\u003ePosition the RK06779B arm with the bend oriented upward for correct ground clearance.\u003c\/li\u003e\n\u003cli\u003eInstall the RK06779B arm using the OEM hardware at both the frame and axle mounting points, torquing to factory specification.\u003c\/li\u003e\n\u003cli\u003eRepeat the process for the opposite side.\u003c\/li\u003e\n\u003cli\u003eLower the Jeep, cycle the suspension, and check for clearance issues before performing a front end alignment.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Rock Krawler","offers":[{"title":"Default Title","offer_id":46246079266895,"sku":"RKRRK06779B","price":389.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rock-krawler-rk06779b-front-lower-arm-1_95fd1f1d-9867-4775-891a-3b5410dbc987.webp?v=1785184493","url":"https:\/\/www.blackopsautoworks.com\/products\/rock-krawler-rk06779b-front-lower-arm-jeep-jl-jlu","provider":"Black Ops Auto Works","version":"1.0","type":"link"}