{"product_id":"all-balls-8-ball-extreme-rear-axle-ab8-po-8-404-polaris-rzr","title":"All Balls 8 Ball Extreme Rear Axle AB8-PO-8-404 | Polaris RZR","description":"\u003ch2\u003eAll Balls 8 Ball Extreme Axle Rear | Part# 531-1590 | AB8-PO-8-404\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eAll Balls 8 Ball Extreme Duty Rear Axle AB8-PO-8-404\u003c\/strong\u003e is a heavy-duty replacement axle for select Polaris RZR XP 1000, RZR XP 4 1000, RZR RS1, and RZR XP Turbo models. Built for riders who need more strength than a standard replacement axle, the 8 Ball design is made for demanding trail use, rough terrain, mud, rocks, and aggressive recreational riding.\n\u003c\/p\u003e\n\n\u003cp\u003e\nA worn or damaged axle can cause clicking, vibration, binding, grease loss, torn boots, or drivetrain noise. Replacing it with an All Balls 8 Ball Extreme Duty axle helps restore smooth power transfer and dependable rear-end performance.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExtreme Duty 8 Ball axle design for select Polaris RZR models\u003c\/li\u003e\n  \u003cli\u003e8 precision ball bearings help provide smoother operation and increased joint strength\u003c\/li\u003e\n  \u003cli\u003eUp to 35% larger cages and races for improved strength and durability\u003c\/li\u003e\n  \u003cli\u003eEnlarged chromoly axle shaft for added strength\u003c\/li\u003e\n  \u003cli\u003eBlack oxide coating helps resist rust and corrosion\u003c\/li\u003e\n  \u003cli\u003eLow-profile stainless steel clamps\u003c\/li\u003e\n  \u003cli\u003eHigh-performance molybdenum grease helps reduce heat and friction\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined for proper OEM-style fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCondensed Fitment Chart\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eVehicle Family\u003c\/th\u003e\n      \u003cth\u003eSimplified Fitment Range\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR XP 1000\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2015–2023 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR XP 4 1000\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2016–2023 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR XP 1000 High Lifter Edition\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2015–2022 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR XP 4 1000 High Lifter Edition\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2016–2022 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR XP 1000 Trails \u0026amp; Rocks\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2017–2022 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR 1000 RS1\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2018–2021 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR XP Turbo \/ XP 4 Turbo\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2016–2019 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePolaris RZR XP Turbo Tractor\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelect 2017–2018 models\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eFitment Note:\u003c\/strong\u003e This is a simplified fitment chart based on the supplied application list. Fitment can vary by exact year, trim package, axle position, suspension setup, and production model. Always verify your exact year, make, model, submodel, and axle location before ordering.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e All Balls Racing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 531-1590\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer \/ Brand Number:\u003c\/strong\u003e AB8-PO-8-404\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 8 Ball Extreme Duty CV Axle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Rear — verify exact side and fitment before ordering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle Type:\u003c\/strong\u003e Polaris RZR UTV \/ Side-by-Side\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Heavy-duty replacement axle assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Signs of a Bad CV Axle\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eClicking or popping from the rear axle area\u003c\/li\u003e\n  \u003cli\u003eVibration under acceleration\u003c\/li\u003e\n  \u003cli\u003eTorn CV boot or grease leaking from the axle\u003c\/li\u003e\n  \u003cli\u003eBinding, clunking, or rough drivetrain feel\u003c\/li\u003e\n  \u003cli\u003eVisible axle shaft or CV joint damage\u003c\/li\u003e\n  \u003cli\u003eDamage after hard trail use, mud riding, rocks, or impact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Use Note\u003c\/h3\u003e\n\u003cp\u003e\nThis axle is designed as a heavy-duty replacement for compatible stock-style applications. Lift kits, long-travel suspension, oversized tires, extreme axle angles, or other drivetrain modifications may affect fitment, performance, and service life.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose an All Balls 8 Ball Extreme Duty Axle?\u003c\/h3\u003e\n\u003cp\u003e\nAll Balls 8 Ball Extreme Duty axles are designed for riders who want added strength, smoother operation, and improved durability over a standard replacement axle. With larger internal components, chromoly construction, corrosion-resistant coating, and high-performance grease, this axle is built to handle tough Polaris RZR riding conditions.\n\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\n\u003ch4\u003eWhat does the All Balls AB8-PO-8-404 axle fit?\u003c\/h4\u003e\n\u003cp\u003e\nThis axle fits select Polaris RZR XP 1000, RZR XP 4 1000, RZR 1000 RS1, RZR XP Turbo, High Lifter, and Trails \u0026amp; Rocks models from the supplied fitment list.\n\u003c\/p\u003e\n\n\u003ch4\u003eIs this a rear axle?\u003c\/h4\u003e\n\u003cp\u003e\nYes. This product is supplied as an 8 Ball Extreme Duty rear axle. Always verify exact axle position and side before ordering, as fitment can vary by model and trim.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between the 6 Ball and 8 Ball axle?\u003c\/h4\u003e\n\u003cp\u003e\nThe 8 Ball axle uses eight precision ball bearings with larger cages and races for increased joint strength and smoother operation compared to a standard-style axle.\n\u003c\/p\u003e\n\n\u003ch4\u003eWill this fit modified RZR models?\u003c\/h4\u003e\n\u003cp\u003e\nThis axle is designed for compatible stock-style applications. Lift kits, long-travel suspension, oversized tires, and other modifications may affect axle angle, fitment, and durability.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhen should I replace my rear axle?\u003c\/h4\u003e\n\u003cp\u003e\nReplace the axle if you notice clicking, popping, vibration, torn boots, grease leakage, binding, or visible CV joint or shaft damage.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the manufacturer part number?\u003c\/h4\u003e\n\u003cp\u003e\nThe manufacturer part number is AB8-PO-8-404.\n\u003c\/p\u003e","brand":"All Balls","offers":[{"title":"Default Title","offer_id":53571789029655,"sku":"531-1590","price":269.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/4607\/7975\/files\/1b5f-60abea843ab91.jpg?v=1782327289","url":"https:\/\/www.mxpartsdirect.com\/products\/all-balls-8-ball-extreme-rear-axle-ab8-po-8-404-polaris-rzr","provider":"mxpartsdirect.com","version":"1.0","type":"link"}