{"product_id":"rcv-ultimate-dana-44-cv-axle-set-for-ford-f-250-67-79","title":"RCV 30-Spline Dana 44 CV Axle Set for Ford F-250 ('67-'79)","description":"\u003cp\u003eGive your classic Ford truck the axle strength it always needed. The RCV Performance Ultimate Dana 44 CV Axle Set replaces the factory U-joint shafts in your Ford F-250 or F-150 SuperCab with a high strength constant velocity design proven to be twice as strong as OEM.\u003c\/p\u003e\n\u003cp\u003eUnlike U-joints, which weaken significantly when steering angle increases, RCV CV joints maintain full strength at all angles. This provides a smoother, more reliable transfer of power to the ground. No binding, no vibration, and drastically reduced risk of axle failure when running larger tires or added horsepower.\u003c\/p\u003e\n\u003cp\u003eThese axles are ideal for restored trucks, heavy duty trail rigs, or classic builds running V8 power, lockers, or oversized tires.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT NOTE: \u003c\/strong\u003eAll CVJ44OS axle kits \u003cem\u003erequire \u003c\/em\u003ea 30 spline hub gear upgrade. RCV hub gears are compatible with Warn 20990 Premium Lockouts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLeft \u0026amp; right 30 spline RCV CV axle shafts\u003c\/li\u003e\n\u003cli\u003e30 spline outer stubs\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 finish (standard)\u003c\/li\u003e\n\u003cli\u003eOptional nickel plating available\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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\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\u003eUnit Bearing: No\u003c\/li\u003e\n\u003cli\u003eOEM Inner Spline: 30\u003c\/li\u003e\n\u003cli\u003eOEM Outer Spline: 19\u003c\/li\u003e\n\u003cli\u003eRCV Inner Spline: 30\u003c\/li\u003e\n\u003cli\u003eRCV Outer Spline: 30 (requires 30 spline hub gear upgrade)\u003c\/li\u003e\n\u003cli\u003eLeft Inner Axle Length: 18.62\u003c\/li\u003e\n\u003cli\u003eRight Inner Axle Length: 34.75\u003c\/li\u003e\n\u003cli\u003eOuter Stub Axle Length: 9.72\u003c\/li\u003e\n\u003cli\u003eBoot Technology: RCV bootless, sealed-joint design\u003cbr\u003e\n\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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFord F-250 — 1967–1979 (Dana 44 front axle)\u003c\/li\u003e\n\u003cli\u003eFord F-150 SuperCab — 1978–1979 (Dana 44 front axle)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eRequirements:\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMust upgrade to 30 spline hub gears\u003c\/li\u003e\n\u003cli\u003eCompatible with Warn 20990 Premium Lockouts\u003c\/li\u003e\n\u003cli\u003eNot compatible with stock 19 spline hub gears.\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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eThe original Ford Dana 44 front axle uses a 19 spline outer shaft and U-joint configuration—both are limiting factors when pushing power, running big tires, or adding lockers. The RCV Ultimate CV Axle upgrades the outer shafts to 30 spline while eliminating the weak U-joint entirely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull-angle steering strength with no binding\u003c\/li\u003e\n\u003cli\u003eStronger outer shaft interface with the lockouts\u003c\/li\u003e\n\u003cli\u003eDramatically increased torque capacity\u003c\/li\u003e\n\u003cli\u003eReduced wear and tighter steering feel\u003c\/li\u003e\n\u003cli\u003ePerfect for restored classics and heavy-duty wheeling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis upgrade brings modern performance technology to a vintage Ford platform.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"RCV Performance","offers":[{"title":"Default Title","offer_id":56095466061990,"sku":"CVJ44OS-F2501","price":1649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/CVJ44OS-F2501-RCV-Dana44-Axle-Ford-F-250-1.jpg?v=1778100130","url":"https:\/\/wideopendesign.com\/products\/rcv-ultimate-dana-44-cv-axle-set-for-ford-f-250-67-79","provider":"Wide Open Design","version":"1.0","type":"link"}