{"product_id":"polaris-500-top-end-rebuild-kit","title":"Polaris Sportsman 500 Top End Cylinder Rebuild Kit","description":"\u003c!-- CORE_FITMENT_TABS_START --\u003e\n\u003cstyle\u003e\n#core-product-tabs-10499005350190 .core-tab-radio {\n  position: absolute;\n  opacity: 0;\n  pointer-events: none;\n}\n#core-product-tabs-10499005350190 .core-tab-labels {\n  display: flex;\n  gap: 0;\n  margin: 0 0 16px 0;\n  border-bottom: 1px solid #d8d8d8;\n}\n#core-product-tabs-10499005350190 .core-tab-labels label {\n  display: inline-block;\n  padding: 10px 16px;\n  margin: 0 4px -1px 0;\n  border: 1px solid #d8d8d8;\n  background: #f7f7f7;\n  color: #222;\n  font-weight: 600;\n  cursor: pointer;\n  border-radius: 4px 4px 0 0;\n}\n#core-product-tabs-10499005350190 .core-tab-panel {\n  display: none;\n}\n#core-tab-desc-10499005350190:checked ~ .core-tab-labels label[for=\"core-tab-desc-10499005350190\"],\n#core-tab-fitment-10499005350190:checked ~ .core-tab-labels label[for=\"core-tab-fitment-10499005350190\"] {\n  background: #fff;\n  border-bottom-color: #fff;\n}\n#core-tab-desc-10499005350190:checked ~ .core-tab-panels .core-description-panel {\n  display: block;\n}\n#core-tab-fitment-10499005350190:checked ~ .core-tab-panels .core-fitment-panel {\n  display: block;\n}\n#core-product-tabs-10499005350190 .core-fitment-panel {\n  line-height: 1.5;\n}\n\u003c\/style\u003e\n\n\u003cdiv id=\"core-product-tabs-10499005350190\"\u003e\n  \u003cinput class=\"core-tab-radio\" type=\"radio\" name=\"core-product-tabs-10499005350190\" id=\"core-tab-desc-10499005350190\" checked\u003e\n  \u003cinput class=\"core-tab-radio\" type=\"radio\" name=\"core-product-tabs-10499005350190\" id=\"core-tab-fitment-10499005350190\"\u003e\n\n  \u003cdiv class=\"core-tab-labels\"\u003e\n    \u003clabel for=\"core-tab-desc-10499005350190\"\u003eDescription\u003c\/label\u003e\n    \u003clabel for=\"core-tab-fitment-10499005350190\"\u003eVehicle Fitment\u003c\/label\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"core-tab-panels\"\u003e\n    \u003cdiv class=\"core-tab-panel core-description-panel\"\u003e\n\u003c!-- CORE_DESCRIPTION_START --\u003e\n\u003ch2 style=\"font-size:22px;line-height:1.3;\"\u003eRevitalize Your Polaris Sportsman 500 with a Complete Top End Rebuild Kit\u003c\/h2\u003e\n\u003cp style=\"color:#333;\"\u003eRestore performance and power to your Polaris Sportsman 500 with this high-quality, stock bore size top end cylinder rebuild kit from 50 Caliber Racing. Engineered to meet OEM specifications, this kit includes everything you need to bring your engine back to life, ensuring a reliable and smooth ride for years to come.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:24px 0;\"\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cp style=\"font-size:22px;font-weight:bold;color:#111;margin:0;\"\u003eBolt-On Installation\u003c\/p\u003e\n\u003cp style=\"font-size:12px;color:#555;margin-top:4px;\"\u003eEasy to install, no complex modifications needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cp style=\"font-size:22px;font-weight:bold;color:#111;margin:0;\"\u003eOEM Specifications\u003c\/p\u003e\n\u003cp style=\"font-size:12px;color:#555;margin-top:4px;\"\u003eManufactured to exact factory standards for a perfect fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cp style=\"font-size:22px;font-weight:bold;color:#111;margin:0;\"\u003eComplete Kit\u003c\/p\u003e\n\u003cp style=\"font-size:12px;color:#555;margin-top:4px;\"\u003eIncludes all necessary gaskets and components for a full rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cp style=\"font-size:22px;font-weight:bold;color:#111;margin:0;\"\u003eIncreased Longevity\u003c\/p\u003e\n\u003cp style=\"font-size:12px;color:#555;margin-top:4px;\"\u003eBreathe new life into your engine for extended performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:24px 0;\"\u003e\n\u003ch3\u003eWhat’s in the Box (Based on selected options)\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:16px 0;\"\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong style=\"color:#111;\"\u003e Timing Chain Tensioner\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eKeeps your timing chain properly tensioned.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong style=\"color:#111;\"\u003e Cylinder\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eHigh-quality replacement cylinder.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong style=\"color:#111;\"\u003e Piston\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003ePrecision-engineered piston.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong style=\"color:#111;\"\u003e Piston Ring Kit\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eComplete set for optimal sealing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong style=\"color:#111;\"\u003e Wrist Pin\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eConnects piston to connecting rod.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong style=\"color:#111;\"\u003e Circlips\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eSecurely holds piston pin.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong style=\"color:#111;\"\u003e Gasket Kit\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eComprehensive gasket set for a leak-free seal.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"1\" style=\"display:block;border-radius:8px;margin:24px 0;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:24px 0;\"\u003e\n\u003ch3\u003eWhy Riders Upgrade\u003c\/h3\u003e\n\u003cdiv style=\"border:1px solid #eee;border-radius:8px;overflow:hidden;margin:16px 0;\"\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;background:#fff;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e🛠️\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003ePrecision Fitment\u003c\/strong\u003e\u003cbr\u003eEngineered to exact OEM specifications for a trouble-free installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;background:#fafafa;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e⚙️\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003eReliable Performance\u003c\/strong\u003e\u003cbr\u003eRestore lost horsepower and torque for a responsive ride.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;background:#fff;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e💰\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003eCost-Effective Solution\u003c\/strong\u003e\u003cbr\u003eA more affordable way to rebuild your engine compared to buying a whole new ATV.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;background:#fafafa;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e🔧\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e\u003cbr\u003eDesigned for straightforward DIY installation, saving you time and money on labor.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"2\" style=\"display:block;border-radius:8px;margin:24px 0;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1.5px solid #e8e8e8;border-radius:12px;overflow:hidden;margin:24px 0;\"\u003e\n\u003cdiv style=\"background:#111;padding:14px 18px;display:flex;align-items:center;gap:10px;\"\u003e\n\u003cspan style=\"display:inline-block;width:10px;height:10px;background:#22c55e;border-radius:50%;flex-shrink:0;\"\u003e\u003c\/span\u003e\u003cspan style=\"color:white;font-weight:bold;font-size:15px;\"\u003eIn Stock \u0026amp; Ready To Ship\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 18px;background:#f9f9f9;border-top:1px solid #eee;\"\u003e\n\u003cp style=\"margin: 8px 0;\"\u003e\u003cstrong\u003eProcessing:\u003c\/strong\u003e Packed with care before shipment\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0;\"\u003e\u003cstrong\u003eTracking:\u003c\/strong\u003e Sent when shipped\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0;\"\u003e\u003cstrong\u003eConfirmation:\u003c\/strong\u003e Sent after checkout\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 18px;background:#f9f9f9;border-top:1px solid #eee;\"\u003e\u003cem style=\"color:#555;font-size:12px;\"\u003eAlthough rare, some delays may occur. We’ll keep you updated every step of the way.\u003c\/em\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:24px 0;\"\u003e\n\u003ch3\u003eTop End Rebuild Kit vs. Stock or Generic Options\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\"\u003e\n\u003cdiv style=\"background:#111;padding:18px;border-radius:8px;flex:1 1 200px;\"\u003e\n\u003cdiv style=\"color:#aaa;font-size:12px;font-weight:bold;margin-bottom:10px;\"\u003eSTOCK TOP END COMPONENTS\u003c\/div\u003e\n\u003cdiv style=\"color:#ccc;font-size:14px;line-height:1.8;\"\u003e\n\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Often single component replacement, requiring additional purchases.\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e May not meet OEM specifications, leading to fitment issues.\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Quality can be inconsistent, affecting engine longevity.\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Rebuild may be incomplete, requiring more parts.\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Less focused on comprehensive engine restoration.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:18px;border-radius:8px;flex:1 1 200px;\"\u003e\n\u003cdiv style=\"color:#cc0000;font-size:12px;font-weight:bold;margin-bottom:10px;\"\u003e⚡ 50 CALIBER RACING TOP END KIT\u003c\/div\u003e\n\u003cdiv style=\"color:#111;font-size:14px;line-height:1.8;\"\u003e\n\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eComplete Kit\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eOEM Specifications\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eHigh-Quality Components\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eEnsures Full Engine Rebuild\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eRestores Optimal Performance\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:24px 0;\"\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"3\" style=\"flex:1 1 200px;border-radius:8px;background:#f9f9f9;height:260px;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"4\" style=\"flex:1 1 200px;border-radius:8px;background:#f9f9f9;height:260px;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-left:3px solid #111;border-radius:4px;margin-bottom:8px;\"\u003e\n\u003cstrong style=\"color:#111;\"\u003ePolaris Sportsman 500\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003e— 1996-2013\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a top end rebuild kit?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#444;\"\u003eA top end rebuild kit typically includes the cylinder, piston, piston rings, wrist pin, and circlips, along with all necessary gaskets to replace the components at the top of your engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit my Polaris Sportsman 500?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#444;\"\u003eThis kit is designed to fit Polaris Sportsman 500 models from 1996 to 2013. Please verify your specific model year.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need special tools to install this kit?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#444;\"\u003eWhile basic mechanical skills are required, the kit is designed for straightforward installation. Standard ATV repair tools should suffice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow difficult is installation?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#444;\"\u003eThis kit is designed to be bolt-on and can be installed by anyone with basic mechanical skills who is comfortable working on their ATV.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"5\" style=\"display:block;border-radius:8px;margin:24px 0;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:20px;border-radius:8px;margin:24px 0;\"\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;text-align:center;justify-content:center;\"\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e🛠️\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003ePrecision Fitment\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e🏆\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003eQuality Guaranteed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e⭐\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003eCustomer Favorite\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e📦\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003eSecure Packaging\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003ch3\u003eWhat Riders Are Saying\u003c\/h3\u003e\n\u003cblockquote style=\"border-left:4px solid #cc0000;padding-left:15px;margin:20px 0;font-style:italic;color:#555;\"\u003eThis kit was exactly what I needed to get my old Sportsman running like new again. Installation was straightforward, and the quality seems excellent. Highly recommend!\u003cbr\u003e\u003cstrong style=\"color:#111;\"\u003e— John D., Ohio\u003c\/strong\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote style=\"border-left:4px solid #cc0000;padding-left:15px;margin:20px 0;font-style:italic;color:#555;\"\u003eGreat value for the price. All the parts were there, and it fit perfectly. My Polaris is back in action and running strong thanks to this rebuild kit.\u003cbr\u003e\u003cstrong style=\"color:#111;\"\u003e— Sarah P., Montana\u003c\/strong\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"background:#111;padding:25px;text-align:center;margin:30px 0;border-radius:10px;\"\u003e\n\u003ch2 style=\"color:white;margin:0 0 8px 0;font-size:20px;\"\u003eRestore Your Polaris's Power Today!\u003c\/h2\u003e\n\u003cp style=\"color:#bbb;margin:0;font-size:15px;\"\u003eGet your Polaris Sportsman 500 back to its peak performance with this complete top end rebuild kit.\u003c\/p\u003e\n\u003cp style=\"color:#777;font-size:13px;margin:10px 0 0 0;\"\u003eShop R1 Industries for quality off-road parts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- CORE_DESCRIPTION_END --\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"core-tab-panel core-fitment-panel\"\u003e\n      \u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\nPolaris Sportsman 500 — 1996-2013\u003cbr\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CORE_FITMENT_TABS_END --\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":51961816645934,"sku":"4449A12","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0265\/4076\/9342\/files\/3156.jpg?v=1776204300","url":"https:\/\/r1industriesoffroad.com\/es\/products\/polaris-500-top-end-rebuild-kit","provider":"R1 Industries","version":"1.0","type":"link"}