{"product_id":"rk08313-rock-krawler-rear-lower-arms-jeep-jl-jlu-2018","title":"Rock Krawler 2018+ Jeep Wrangler JL 2DR \/ JLU 4DR Pro Alum. Rear Lower Control Arms","description":"\u003ch4\u003eLightweight Aluminum Strength for Your JL's Rear Axle\u003c\/h4\u003e\n\u003cp\u003eTrail flex and daily drivability do not have to be a trade off. The RK08313 rear lower control arm pair swaps in solid 7075 aluminum construction so your Jeep Wrangler JL or JLU gets increased misalignment capability at the axle without adding unnecessary weight over factory steel arms.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRK08313 built from 7075 solid aluminum bar stock, finished in brushed raw form\u003c\/li\u003e\n\u003cli\u003ePro Series Krawler Joint at the axle end offers 60 degrees of misalignment and is fully serviceable and rebuildable\u003c\/li\u003e\n\u003cli\u003eService free Adventure Series joint at the frame end adds 35 degrees of misalignment\u003c\/li\u003e\n\u003cli\u003eTotal combined misalignment capability of 95 degrees per arm\u003c\/li\u003e\n\u003cli\u003eMachined wrench flats at the center of each arm for easy jam nut tightening\u003c\/li\u003e\n\u003cli\u003eDirect bolt on replacement for factory rear lower control arms\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\/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\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eRK08313\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocation\u003c\/td\u003e\n\u003ctd\u003eRear Lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e7075 solid aluminum bar, brushed raw finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMisalignment Capability\u003c\/td\u003e\n\u003ctd\u003e95 degrees total per arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 (pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eAbuse Proof Lifetime Warranty\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\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Pair Rock Krawler RK08313 X Factor PRO aluminum rear lower control arms\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Rock Krawler\u003c\/h4\u003e\n\u003cp\u003eRock Krawler Suspension has spent decades engineering long arm and mid arm suspension systems, control arms, and shocks purpose built for Jeep Wrangler and Gladiator platforms. Based in New York, the company is known among off road enthusiasts for service free joints, abuse proof warranties, and components tested on real trails before they reach the shelf.\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-control-arms\"\u003eRock Krawler 2018+ JL\/JLU Front Upper Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-2018-jeep-wrangler-jl-2dr-jlu-4dr-x-series-front-lower-control-arms\"\u003eRock Krawler 2018+ JL\/JLU X Series Front Lower Control Arms\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+ JL\/JLU Adventure 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 RK08313?\u003c\/strong\u003e\u003cp\u003eThe RK08313 is a Rock Krawler X Factor PRO aluminum rear lower control arm pair built from 7075 aluminum for 2018 and newer Jeep Wrangler JL and JLU models, offering 95 degrees of combined misalignment capability.\u003c\/p\u003e\n\u003cstrong\u003eDoes it fit both the two door JL and four door JLU?\u003c\/strong\u003e\u003cp\u003eYes, this arm pair fits the JL 2 door and JLU 4 door since both share the same rear suspension mounting geometry.\u003c\/p\u003e\n\u003cstrong\u003eIs this control arm adjustable in length?\u003c\/strong\u003e\u003cp\u003eYes, the arm features an adjustable joint end so you can fine tune rear pinion angle after a lift installation.\u003c\/p\u003e\n\u003cstrong\u003eWhat joint is used at the axle side?\u003c\/strong\u003e\u003cp\u003eA Pro Series Krawler Joint is used at the axle side, offering 60 degrees of misalignment and full serviceability if it ever needs to be rebuilt.\u003c\/p\u003e\n\u003cstrong\u003eDo these arms require regular maintenance?\u003c\/strong\u003e\u003cp\u003eThe frame side Adventure Series joint is service free, while the axle side Krawler Joint is serviceable but does not require scheduled greasing under normal use.\u003c\/p\u003e\n\u003cstrong\u003eCan I install this arm with hand tools?\u003c\/strong\u003e\u003cp\u003eYes, installation is a direct bolt on process that can typically be completed with common hand tools and a torque wrench.\u003c\/p\u003e\n\u003cstrong\u003eWhat warranty covers the RK08313?\u003c\/strong\u003e\u003cp\u003eRock Krawler backs this arm pair with its Abuse Proof Lifetime Warranty against defects.\u003c\/p\u003e\n\u003cstrong\u003eWill this arm work with a lift kit installed?\u003c\/strong\u003e\u003cp\u003eYes, the adjustable design lets you correct pinion angle changes that come with most common JL and JLU lift heights.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRaise and safely support the rear of the Jeep on jack stands, then support the rear axle with a floor jack.\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear lower control arm bolts at the frame and axle mounting points.\u003c\/li\u003e\n\u003cli\u003eRemove the factory control arms and set them aside.\u003c\/li\u003e\n\u003cli\u003eThread the jam nuts onto the new arms and install them at the frame and axle brackets finger tight.\u003c\/li\u003e\n\u003cli\u003eAdjust arm length as needed to set proper rear pinion angle.\u003c\/li\u003e\n\u003cli\u003eTorque all mounting hardware to the vehicle manufacturer's specifications.\u003c\/li\u003e\n\u003cli\u003eTighten the jam nuts against the adjuster sleeve using the machined wrench flats.\u003c\/li\u003e\n\u003cli\u003eCycle the suspension by hand to confirm clearance and range of motion.\u003c\/li\u003e\n\u003cli\u003eLower the Jeep and check rear alignment before returning to normal driving.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Rock Krawler","offers":[{"title":"Default Title","offer_id":46246084870223,"sku":"RKRRK08313","price":552.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rock-krawler-rk08313-rear-lower-control-arms-1_df61c413-3f9a-46be-a93f-31eddc59a851.webp?v=1785186394","url":"https:\/\/www.blackopsautoworks.com\/products\/rk08313-rock-krawler-rear-lower-arms-jeep-jl-jlu-2018","provider":"Black Ops Auto Works","version":"1.0","type":"link"}