{"product_id":"all-balls-extreme-duty-rear-axle-for-polaris-rzr-18-21-part-ab8-po-8-398","title":"ALL BALLS Extreme Duty Rear Axle for Polaris RZR '18-'21 – Part AB8-PO-8-398","description":"Axle - Complete - 8 Ball - Extreme Duty - Rear Left\/Right - '18-'21 Polaris RZR\n\u003cp\u003eThe ALL BALLS AB8-PO-8-398 is a high-performance, extreme duty rear axle designed specifically for Polaris RZR models from 2018 to 2021. Engineered to outperform standard OEM axles, this component offers a 20% increase in strength over factory parts, providing enhanced durability for demanding off-road conditions. It is also 50% stronger than competing aftermarket axles and boasts a lifespan that is 12 times longer, making it a reliable choice for serious enthusiasts and professional riders. Crafted with precision, the axle features eight robust ball bearings with larger cage and race sizes—up to 35% bigger—to significantly improve CV joint strength and overall axle performance. This design ensures smoother operation and greater resistance to wear and tear under heavy loads and rigorous terrain. Manufactured in ISO 9001-certified facilities, the ALL BALLS axle adheres to stringent quality standards, guaranteeing consistent construction quality and durability. The axle is built with a larger-than-stock chromoly shaft, known for its exceptional strength-to-weight ratio, along with low-profile allow clamps that provide a secure fit and ease of installation. Whether you're upgrading your vehicle for competitive racing or rugged trail riding, this axle offers the strength, longevity, and reliability you need for challenging off-road adventures.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eIncreased strength: 20% stronger than OEM axles for enhanced durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuperior performance: 50% stronger than competing aftermarket axles\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExtended lifespan: lasts 12 times longer than standard axles for long-term reliability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEnhanced CV joint support: eight precision ball bearings with larger cage and race sizes for improved strength\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-quality manufacturing: produced in ISO 9001-certified facilities for consistent quality\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRobust construction: features a larger chromoly axle shaft for increased resilience\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSecure fit: low-profile allow clamps for easy installation and reliable performance\u003c\/li\u003e\u003c\/ul\u003e","brand":"ALL BALLS","offers":[{"title":"Default Title","offer_id":45186968715459,"sku":"02141790","price":269.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/1849887.png?v=1779229495","url":"https:\/\/kellymotorsport.com\/products\/all-balls-extreme-duty-rear-axle-for-polaris-rzr-18-21-part-ab8-po-8-398","provider":"Kelly Motorsports","version":"1.0","type":"link"}