{"product_id":"yukon-gear-one-piece-short-axles-for-model-20-76-83-cj5","title":"Yukon Gear One Piece Short Axle Kit For Model 20 76-83 CJ5 \/ 76-81 CJ7 with Bearings and 29 Splines","description":"\u003ch4\u003eOne Piece Upgraded Rear Axle Kit for AMC Model 20 in 1976-1983 Jeep CJ5 and 1976-1981 CJ7, Part YCJS\u003c\/h4\u003e\n\u003cp\u003eThe Yukon Gear YCJS one piece short axle kit replaces the factory two piece rear axle design in the AMC Model 20 differential with an upgraded one piece construction. The stock two piece axle in CJ5 and CJ7 applications is a known weak point prone to failure under off-road stress. The YCJS eliminates the center joint failure mode entirely by using 1541H alloy steel one piece axles with 29 splines, axle bearings, seals, retainers, and studs. This is a complete bolt-in kit for serious CJ rebuilds.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures and Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces factory two piece axles with stronger one piece 1541H alloy steel design\u003c\/li\u003e\n\u003cli\u003e29 spline count for improved torque transfer and reduced stress concentration\u003c\/li\u003e\n\u003cli\u003eKit includes two axles, axle bearings, seals, retainer plates, axle studs, and installation silicone\u003c\/li\u003e\n\u003cli\u003eEliminates the weak center joint found on OEM two piece axles in Model 20 applications\u003c\/li\u003e\n\u003cli\u003eFits 1973-1983 Jeep CJ5 and 1976-1981 Jeep CJ7 with AMC Model 20 rear differential\u003c\/li\u003e\n\u003cli\u003eDirect bolt-in replacement requiring no housing modification\u003c\/li\u003e\n\u003cli\u003eProp 65 compliant warning included for California residents\u003c\/li\u003e\n\u003cli\u003eMade by Yukon Gear and Axle, the benchmark of quality for drivetrain components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1981\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1982\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1983\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eLaredo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1981\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eLaredo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1982\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eLaredo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1983\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eLaredo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1982\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1983\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ5\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1981\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eRenegade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eGolden Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eGolden Hawk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eLaredo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1981\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCJ7\u003c\/td\u003e\n\u003ctd\u003eLaredo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eYCJS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e883584213932\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifferential\u003c\/td\u003e\n\u003ctd\u003eAMC Model 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline Count\u003c\/td\u003e\n\u003ctd\u003e29 spline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle Type\u003c\/td\u003e\n\u003ctd\u003eOne piece full-float replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort Side Length\u003c\/td\u003e\n\u003ctd\u003e23.310 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLong Side Length\u003c\/td\u003e\n\u003ctd\u003e26.25 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e1541H Alloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e39.57 lb.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTwo one piece 1541H alloy steel rear axle shafts (short side and long side)\u003c\/li\u003e\n\u003cli\u003eAxle bearings (both sides)\u003c\/li\u003e\n\u003cli\u003eAxle seals (both sides)\u003c\/li\u003e\n\u003cli\u003eAxle retainer plates\u003c\/li\u003e\n\u003cli\u003eAxle studs\u003c\/li\u003e\n\u003cli\u003eInstallation silicone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the YCJS designed to replace?\u003c\/strong\u003e\u003cbr\u003eThe YCJS replaces the factory two piece short axles in the AMC Model 20 rear differential found in 1976-1983 Jeep CJ5 and 1976-1981 CJ7 models with a stronger one piece design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy upgrade from the factory two piece axles?\u003c\/strong\u003e\u003cbr\u003eThe factory two piece design includes a center ball joint that is a common failure point under off-road stress. One piece axles eliminate this joint entirely, providing significantly improved strength and reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the YCJS include bearings and seals?\u003c\/strong\u003e\u003cbr\u003eYes. The YCJS kit includes axle bearings, seals, retainer plates, axle studs, and silicone sealant for a complete installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill installing the YCJS affect my vehicle warranty under the Magnuson-Moss Warranty Act?\u003c\/strong\u003e\u003cbr\u003eUnder the Magnuson-Moss Warranty Act, a vehicle manufacturer cannot void your warranty solely because you installed an aftermarket part unless they can prove the part caused the failure. Given the age of CJ vehicles this kit fits, factory warranty is not a concern.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty does Yukon provide on the YCJS?\u003c\/strong\u003e\u003cbr\u003eYukon covers the YCJS under a one year manufacturer warranty against defects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these axles a direct bolt-in replacement?\u003c\/strong\u003e\u003cbr\u003eYes. The YCJS axles install in the factory Model 20 housing without modification. Only standard hand tools and a press for bearings are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the spline count on the YCJS?\u003c\/strong\u003e\u003cbr\u003eThe YCJS uses 29 splines, matching and exceeding the factory specification for the Model 20 differential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the YCJS be used with aftermarket lockers?\u003c\/strong\u003e\u003cbr\u003eYes. The one piece axle design is fully compatible with aftermarket locker and limited-slip units designed for the AMC Model 20 differential housing.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRaise the rear of the vehicle and support it on jack stands.\u003c\/li\u003e\n\u003cli\u003eRemove the rear wheels and drum brake assemblies.\u003c\/li\u003e\n\u003cli\u003eRemove the rear differential cover and drain the gear oil.\u003c\/li\u003e\n\u003cli\u003eRemove the differential cross shaft retaining bolt and slide out the cross shaft.\u003c\/li\u003e\n\u003cli\u003ePush axle shafts inward to release the C-clips, then pull the factory axles out of the housing.\u003c\/li\u003e\n\u003cli\u003eUsing a bearing press, remove old axle bearings and seals from the axle tubes.\u003c\/li\u003e\n\u003cli\u003ePress new bearings from the YCJS kit into the axle tubes.\u003c\/li\u003e\n\u003cli\u003eInstall new seals and retainer plates.\u003c\/li\u003e\n\u003cli\u003eApply a thin bead of the included silicone to the axle flange where specified.\u003c\/li\u003e\n\u003cli\u003eSlide the new one piece axles from the YCJS into the housing and seat them fully.\u003c\/li\u003e\n\u003cli\u003eReinstall the cross shaft and retaining bolt.\u003c\/li\u003e\n\u003cli\u003eInstall a new differential cover gasket or apply RTV; reinstall and torque cover bolts.\u003c\/li\u003e\n\u003cli\u003eRefill with the correct differential gear oil and reinstall wheels.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eProp 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":40481860714575,"sku":"YUKYCJS","price":656.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/yukon-gear-one-piece-short-axles-for-model-20-76-83-cj5-axles-yukon-gear-axle.jpg?v=1782671445","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-gear-one-piece-short-axles-for-model-20-76-83-cj5","provider":"Black Ops Auto Works","version":"1.0","type":"link"}