{"product_id":"rcv-ultimate-dana-44-cv-axle-set-for-jeep-jk-rubicon-07up-w-300m-inner-shafts","title":"RCV 300M Dana 44 CV Axle Set for Jeep JK Rubicon ('07-'18)","description":"\u003cp\u003eFor JK Rubicon owners who demand the absolute strongest Dana 44 axle option available, the RCV 300M Ultimate Dana 44 CV Axle Set is the top tier. Built from premium 300M alloy, these shafts offer extreme torsional strength and are engineered to survive the harshest wheeling, biggest tires, and highest horsepower JK builds.\u003c\/p\u003e\n\u003cp\u003eThe RCV CV joint design eliminates U-joint binding and maintains full strength at extreme steering angles, delivering smoother power transfer, improved traction, and unbeatable reliability. Whether you're rock crawling, running high speed desert terrain, or pushing 40\" tires, these 300M axles keep you moving.\u003c\/p\u003e\n\u003cp\u003eLike all RCV Ultimate axles, they are backed by RCV’s No Questions Asked Limited Lifetime Warranty for uncompromising confidence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLeft \u0026amp; right 300M Ultimate Dana 44 CV axle shafts\u003c\/li\u003e\n\u003cli\u003eSST seals \u0026amp; installation tool\u003c\/li\u003e\n\u003cli\u003eSynthetic moly grease\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003cli\u003eBlack oxide coating (standard)\u003c\/li\u003e\n\u003cli\u003eOptional nickel plating available (contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eAxle Model: Dana 44\u003c\/li\u003e\n\u003cli\u003eMaterial: 300M high-strength alloy\u003c\/li\u003e\n\u003cli\u003eUnit Bearing: Yes\u003c\/li\u003e\n\u003cli\u003eOEM Inner Spline: 30\u003c\/li\u003e\n\u003cli\u003eOEM Outer Spline: 32\u003c\/li\u003e\n\u003cli\u003eRCV Inner Spline: 30\u003c\/li\u003e\n\u003cli\u003eRCV Outer Spline: 32\u003c\/li\u003e\n\u003cli\u003eOEM Left Inner Axle Length: 19.76\u003c\/li\u003e\n\u003cli\u003eOEM Right Inner Axle Length: 33.44\u003c\/li\u003e\n\u003cli\u003eOEM Outer Stub Axle Length: 6.25\u003c\/li\u003e\n\u003cli\u003eBoot Technology: RCV bootless, sealed joint design\u003c\/li\u003e\n\u003cli\u003eWarranty: Limited Lifetime (No Questions Asked)\u003c\/li\u003e\n\u003cli\u003eWarranty Note: Warranty is void over 40\" tires\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eFor Jeep JK Rubicon models equipped with a Dana 44 front axle:\u003c\/li\u003e\n\u003cli\u003eJeep Wrangler JK Rubicon — 2007–2018\u003c\/li\u003e\n\u003cli\u003eJeep Wrangler Unlimited JK Rubicon — 2007–2018\u003c\/li\u003e\n\u003cli\u003eCompatible with Ultimate Dana 44 replacement housings using 30 spline ARB lockers\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eNot for Dana 30 models\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eTech Insight\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003e300M alloy transforms an already strong RCV axle into a professional-grade component capable of handling extreme shock loads and brutal terrain. Compared to traditional chromoly, 300M delivers substantially higher tensile and fatigue strength, making it a favorite among competition-level builds and hardcore off-roaders.\u003c\/p\u003e\n\u003cp\u003eCombined with RCV’s CV joint—which stays equally strong at all steering angles—this setup virtually eliminates the common failure points of OEM Rubicon U-joint shafts.\u003c\/p\u003e\n\u003cp\u003eFor drivers pushing the limits of a Dana 44 front end, this is the ultimate upgrade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"RCV Performance","offers":[{"title":"Default Title","offer_id":56095463211174,"sku":"CVJ44-JK-300M","price":1949.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/CVJ44-JK-300M-RCV-Dana-44-Axle-Jeep-JK-Rubicon-300M-1.jpg?v=1778100051","url":"https:\/\/wideopendesign.com\/products\/rcv-ultimate-dana-44-cv-axle-set-for-jeep-jk-rubicon-07up-w-300m-inner-shafts","provider":"Wide Open Design","version":"1.0","type":"link"}