{"product_id":"royal-enfield-570272a-piston-assembly-classic-bullet-electra-thunderbird-350","title":"Royal Enfield 570272\/A – Piston Assembly (Standard Size) for UCE 350cc Models (Classic, Bullet, Electra, Thunderbird)","description":"\u003cp data-start=\"337\" data-end=\"374\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eEnhance engine efficiency and repair integrity with the \u003cstrong data-start=\"56\" data-end=\"114\"\u003eRoyal Enfield 570272\/A Piston Assembly (Standard Bore)\u003c\/strong\u003e. This is a \u003cstrong data-start=\"126\" data-end=\"146\"\u003egenuine OEM part\u003c\/strong\u003e, sourced directly from Royal Enfield, ensuring a flawless factory fit and performance. Compatible with a broad range of \u003cstrong data-start=\"267\" data-end=\"287\"\u003e350cc UCE models\u003c\/strong\u003e—including \u003cstrong data-start=\"298\" data-end=\"313\"\u003eClassic 350\u003c\/strong\u003e, \u003cstrong data-start=\"315\" data-end=\"343\"\u003eBullet 350 (UCE ES \u0026amp; KS)\u003c\/strong\u003e, \u003cstrong data-start=\"345\" data-end=\"363\"\u003eElectra 350 ES\u003c\/strong\u003e, and \u003cstrong data-start=\"369\" data-end=\"392\"\u003eThunderbird 350 UCE\u003c\/strong\u003e—this assembly includes the piston, rings, and pin for convenient installation. Built to precise OEM specs, it offers superior durability, maintains compression, and keeps your engine running true. Whether you're performing scheduled rebuilds or addressing engine wear, this piston is a direct replacement—no machine shop modifications needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"376\" data-end=\"379\"\u003e\n\u003ch2 data-start=\"381\" data-end=\"409\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul data-start=\"410\" data-end=\"617\"\u003e\n\u003cli data-start=\"410\" data-end=\"451\"\u003e\n\u003cp data-start=\"412\" data-end=\"451\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eClassic 350 UCE (BS3, BS4, ABS)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"452\" data-end=\"493\"\u003e\n\u003cp data-start=\"454\" data-end=\"493\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eBullet 350 UCE (ES \u0026amp; KS variants)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"494\" data-end=\"535\"\u003e\n\u003cp data-start=\"496\" data-end=\"535\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eElectra 350 UCE (ES)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"536\" data-end=\"617\"\u003e\n\u003cp data-start=\"538\" data-end=\"617\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThunderbird 350 UCE\u003c\/span\u003e\u003cbr data-start=\"575\" data-end=\"578\"\u003e\u003cbr\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"619\" data-end=\"622\"\u003e\n\u003ch2 data-start=\"624\" data-end=\"642\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"643\" data-end=\"946\"\u003e\n\u003cli data-start=\"643\" data-end=\"684\"\u003e\n\u003cp data-start=\"645\" data-end=\"684\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"21\" data-is-only-node=\"\"\u003eOEM part 570272\/A\u003c\/strong\u003e – factory-grade piston assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"685\" data-end=\"728\"\u003e\n\u003cp data-start=\"687\" data-end=\"728\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"35\" data-is-only-node=\"\"\u003eIncludes piston, rings, and pin\u003c\/strong\u003e – all you need for the rebuild\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"729\" data-end=\"772\"\u003e\n\u003cp data-start=\"731\" data-end=\"772\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"17\" data-is-only-node=\"\"\u003eStandard size\u003c\/strong\u003e – designed to restore factory dimensions and compression\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"773\" data-end=\"816\"\u003e\n\u003cp data-start=\"775\" data-end=\"816\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"32\" data-is-only-node=\"\"\u003eHigh-strength aluminum alloy\u003c\/strong\u003e – for heat resistance and longevity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"817\" data-end=\"860\"\u003e\n\u003cp data-start=\"819\" data-end=\"860\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"33\" data-is-only-node=\"\"\u003eDirect-fit for 350 UCE models\u003c\/strong\u003e – plug-and-play installation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"861\" data-end=\"904\"\u003e\n\u003cp data-start=\"863\" data-end=\"904\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"29\" data-is-only-node=\"\"\u003eEngineered for durability\u003c\/strong\u003e – handles Indian riding conditions with ease\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"905\" data-end=\"946\"\u003e\n\u003cp data-start=\"907\" data-end=\"946\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"50\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eRestores smooth compression and power delivery\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1336\" data-end=\"1346\"\u003eFAQs\u003c\/h2\u003e\n\u003cp data-start=\"1348\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1348\" data-end=\"1416\"\u003eQ1: Which Royal Enfield models use the 570272\/A piston assembly?\u003c\/strong\u003e\u003cbr data-start=\"1416\" data-end=\"1419\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIt fits all \u003cstrong data-start=\"12\" data-end=\"32\"\u003e350cc UCE models\u003c\/strong\u003e including Classic 350, Bullet 350 (ES \u0026amp; KS), Electra 350 ES, and Thunderbird 350.\u003c\/span\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1599\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1555\"\u003eQ2: What components are included in the assembly?\u003c\/strong\u003e\u003cbr data-start=\"1555\" data-end=\"1558\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe kit includes a standardized piston, piston rings, wrist pin, and circlips—everything needed for a full replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1601\" data-end=\"1718\"\u003e\u003cstrong data-start=\"1601\" data-end=\"1634\"\u003eQ3: Is it OEM or aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"1634\" data-end=\"1637\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIt’s an authentic \u003cstrong data-start=\"18\" data-end=\"44\"\u003eRoyal Enfield OEM part\u003c\/strong\u003e built to original factory specifications.\u003c\/span\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1720\" data-end=\"1865\"\u003e\u003cstrong data-start=\"1720\" data-end=\"1757\"\u003eQ4: Can I use it on 500cc models?\u003c\/strong\u003e\u003cbr data-start=\"1757\" data-end=\"1760\"\u003eNo—this piston is only compatible with \u003cstrong data-start=\"1799\" data-end=\"1819\"\u003e350cc UCE models\u003c\/strong\u003e. 500cc variants use different specifications.\u003c\/p\u003e\n\u003cp data-start=\"1867\" data-end=\"2001\"\u003e\u003cstrong data-start=\"1867\" data-end=\"1909\"\u003eQ5: Do I need machining to install it?\u003c\/strong\u003e\u003cbr data-start=\"1909\" data-end=\"1912\"\u003eNo—this is a \u003cstrong data-start=\"1925\" data-end=\"1949\"\u003estandard replacement\u003c\/strong\u003e designed for plug-and-play fit with OEM tolerances.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50292737442087,"sku":null,"price":1814.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/570272_Piston_Assy.png?v=1754753363","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-570272a-piston-assembly-classic-bullet-electra-thunderbird-350","provider":"UNDER THE HOOD","version":"1.0","type":"link"}