{"product_id":"rcv-ultimate-oem-replacement-2-5-ton-rockwell-cv-axle-set","title":"RCV OEM Replacement 2.5 Ton Rockwell CV Axle Set","description":"\u003cp\u003eThe RCV Ultimate OEM Replacement 2.5 Ton Rockwell CV Axle Set is a direct, bolt-in upgrade for factory 2.5-ton Rockwell axles originally equipped with U-joint axle shafts. These axles replace the OEM U-joint design with RCV’s proven constant velocity (CV) architecture, delivering dramatically increased strength, smoother power delivery, and superior reliability under extreme load.\u003c\/p\u003e\n\u003cp\u003eIndependent testing has shown RCV Ultimate CV Axles to be twice as strong as OEM shafts, maintaining full strength at both straight and extreme steering angles—exactly where U-joints are at their weakest.\u003cmeta charset=\"utf-8\"\u003eThis OEM-replacement configuration uses 16 spline inner shafts at the differential and 40 spline at the CV joint inner race, preserving factory compatibility while significantly upgrading durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Left Ultimate CV axle shaft\u003c\/li\u003e\n\u003cli\u003e(1) Right Ultimate CV axle shaft\u003c\/li\u003e\n\u003cli\u003eSST Spherical Sealing Technology seals\u003c\/li\u003e\n\u003cli\u003eSynthetic moly grease\u003c\/li\u003e\n\u003cli\u003eBlack oxide coating (standard)\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 Type: 2.5 Ton Rockwell\u003c\/li\u003e\n\u003cli\u003eInner Differential Spline: 16 spline (OEM)\u003c\/li\u003e\n\u003cli\u003eCV Inner Race Spline: 40 spline\u003c\/li\u003e\n\u003cli\u003eCV Design: Constant Velocity (U-joint replacement)\u003c\/li\u003e\n\u003cli\u003eSeal Type: SST Spherical Sealing Technology\u003c\/li\u003e\n\u003cli\u003eCoating: Black oxide\u003c\/li\u003e\n\u003cli\u003eMaintenance: Low maintenance, fully serviceable\u003cbr\u003e\n\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\u003cul\u003e\n\u003cli\u003eFactory 2.5 Ton Rockwell axles originally equipped with 16 spline differential shafts\u003c\/li\u003e\n\u003cli\u003eDesigned as a direct OEM replacement. No additional modifications required for standard Rockwell housings.\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\u003eRCV’s 2.5-ton Rockwell CV system eliminates the binding and stress risers inherent to U-joint axle shafts. By maintaining constant rotational velocity through the joint, drivetrain shock is reduced, steering effort is smoother, and component life is dramatically increased. This makes the Ultimate CV Axle Set ideal for extreme rock crawling, military-style builds, heavy trail rigs, and competition vehicles where reliability is non-negotiable.\u003c\/p\u003e\n\u003cp\u003eOptional Configurations\u003c\/p\u003e\n\u003cp\u003eAlso available in:\u003c\/p\u003e\n\u003cp\u003e1.75 40 spline\u003c\/p\u003e\n\u003cp\u003e2.0 47 spline\u003c\/p\u003e\n\u003cp\u003eCustom lengths and spline combinations\u003c\/p\u003e\n\u003cp\u003eContact us directly for custom or special applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"RCV Performance","offers":[{"title":"Default Title","offer_id":56095464554662,"sku":"CVJRCK-16","price":4195.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/CVJRCK-16-RCV-OEM-Replacement-2.5Ton-Rockwell-CV-Axle-Set-1.jpg?v=1778100127","url":"https:\/\/wideopendesign.com\/products\/rcv-ultimate-oem-replacement-2-5-ton-rockwell-cv-axle-set","provider":"Wide Open Design","version":"1.0","type":"link"}