{"product_id":"royal-enfield-1570554-b-tappet-adjusting-screw-j-series-350","title":"Royal Enfield 1570554\/B – Tappet Adjusting Screw (Elephant) OEM for J-Series 350: Meteor, Hunter, Classic Reborn \u0026 New Bullet","description":"\u003cp data-start=\"446\" data-end=\"882\"\u003eKeep your J-Series 350 engine perfectly tuned with the genuine Royal Enfield \u003cstrong data-start=\"566\" data-end=\"618\"\u003e1570554\/B Tappet Adjusting Screw (Elephant Type)\u003c\/strong\u003e. This OEM screw allows precise adjustment of valve clearance, ensuring smooth valve timing, reliable compression, and quiet top-end operation. Over time, adjuster screws can wear at the contact pad or lose thread integrity, making accurate adjustment difficult.\u003c\/p\u003e\n\u003cp data-start=\"884\" data-end=\"1152\"\u003eThe 1570554\/B screw is used across all \u003cstrong data-start=\"923\" data-end=\"960\"\u003eRoyal Enfield J-Series 350 models\u003c\/strong\u003e: \u003cstrong data-start=\"962\" data-end=\"1032\"\u003eMeteor 350, Classic 350 Reborn, Hunter 350, and the new Bullet 350\u003c\/strong\u003e. Both intake and exhaust valves use the same part number, so you will need \u003cstrong data-start=\"1108\" data-end=\"1149\"\u003etwo screws for a complete replacement\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1154\" data-end=\"1455\"\u003eReplacing with a genuine OEM part ensures correct hardness, factory-spec threads, and precise geometry. This eliminates valve ticking, improves long-term reliability, and prevents damage to rocker arms and valve tips. Always reset valve clearance to the recommended spec after installing new screws.\u003c\/p\u003e\n\u003chr data-start=\"1457\" data-end=\"1460\"\u003e\n\u003cp data-start=\"1462\" data-end=\"1481\"\u003e\u003cstrong data-start=\"1462\" data-end=\"1479\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1482\" data-end=\"1902\"\u003e\n\u003cli data-start=\"1482\" data-end=\"1555\"\u003e\n\u003cp data-start=\"1484\" data-end=\"1555\"\u003eGenuine Royal Enfield \u003cstrong data-start=\"1506\" data-end=\"1553\"\u003e1570554\/B Tappet Adjusting Screw (Elephant)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1556\" data-end=\"1653\"\u003e\n\u003cp data-start=\"1558\" data-end=\"1653\"\u003eDesigned exclusively for \u003cstrong data-start=\"1583\" data-end=\"1606\"\u003eJ-Series 350 models\u003c\/strong\u003e (Meteor, Hunter, Classic Reborn, New Bullet)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1654\" data-end=\"1735\"\u003e\n\u003cp data-start=\"1656\" data-end=\"1735\"\u003eSame screw fits both intake \u0026amp; exhaust valves → \u003cstrong data-start=\"1703\" data-end=\"1733\"\u003ebuy 2 for full replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1736\" data-end=\"1794\"\u003e\n\u003cp data-start=\"1738\" data-end=\"1794\"\u003eFactory-spec material hardness prevents premature wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1795\" data-end=\"1858\"\u003e\n\u003cp data-start=\"1797\" data-end=\"1858\"\u003eEnsures stable valve lash and reduces top-end ticking noise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1859\" data-end=\"1902\"\u003e\n\u003cp data-start=\"1861\" data-end=\"1902\"\u003eDirect OEM replacement, not aftermarket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1904\" data-end=\"1907\"\u003e\n\u003cp data-start=\"1909\" data-end=\"1933\"\u003e\u003cstrong data-start=\"1909\" data-end=\"1933\"\u003eCompatibility Table:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1935\" data-end=\"2317\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1935\" data-end=\"1990\"\u003e\n\u003ctr data-start=\"1935\" data-end=\"1990\"\u003e\n\u003cth data-start=\"1935\" data-end=\"1943\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"1943\" data-end=\"1963\" data-col-size=\"sm\"\u003eEngine \/ Platform\u003c\/th\u003e\n\u003cth data-start=\"1963\" data-end=\"1981\" data-col-size=\"sm\"\u003eEmission \/ Spec\u003c\/th\u003e\n\u003cth data-start=\"1981\" data-end=\"1990\" data-col-size=\"sm\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2009\" data-end=\"2317\"\u003e\n\u003ctr data-start=\"2009\" data-end=\"2079\"\u003e\n\u003ctd data-start=\"2009\" data-end=\"2033\" data-col-size=\"sm\"\u003eMeteor 350 (J-Series)\u003c\/td\u003e\n\u003ctd data-start=\"2033\" data-end=\"2048\" data-col-size=\"sm\"\u003e349 cc, SOHC\u003c\/td\u003e\n\u003ctd data-start=\"2048\" data-end=\"2063\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5\u003c\/td\u003e\n\u003ctd data-start=\"2063\" data-end=\"2079\" data-col-size=\"sm\"\u003e2020–present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2080\" data-end=\"2162\"\u003e\n\u003ctd data-start=\"2080\" data-end=\"2112\" data-col-size=\"sm\"\u003eClassic 350 Reborn (J-Series)\u003c\/td\u003e\n\u003ctd data-start=\"2112\" data-end=\"2131\" data-col-size=\"sm\"\u003e349 cc, J-Engine\u003c\/td\u003e\n\u003ctd data-start=\"2131\" data-end=\"2146\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5\u003c\/td\u003e\n\u003ctd data-start=\"2146\" data-end=\"2162\" data-col-size=\"sm\"\u003e2021–present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2163\" data-end=\"2237\"\u003e\n\u003ctd data-start=\"2163\" data-end=\"2187\" data-col-size=\"sm\"\u003eHunter 350 (J-Series)\u003c\/td\u003e\n\u003ctd data-start=\"2187\" data-end=\"2206\" data-col-size=\"sm\"\u003e349 cc, J-Engine\u003c\/td\u003e\n\u003ctd data-start=\"2206\" data-end=\"2221\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5\u003c\/td\u003e\n\u003ctd data-start=\"2221\" data-end=\"2237\" data-col-size=\"sm\"\u003e2022–present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2238\" data-end=\"2317\"\u003e\n\u003ctd data-start=\"2238\" data-end=\"2267\" data-col-size=\"sm\"\u003eBullet 350 (J-Series, New)\u003c\/td\u003e\n\u003ctd data-start=\"2267\" data-end=\"2286\" data-col-size=\"sm\"\u003e349 cc, J-Engine\u003c\/td\u003e\n\u003ctd data-start=\"2286\" data-end=\"2301\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5\u003c\/td\u003e\n\u003ctd data-start=\"2301\" data-end=\"2317\" data-col-size=\"sm\"\u003e2023–present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2319\" data-end=\"2322\"\u003e\n\u003cp data-start=\"2324\" data-end=\"2339\"\u003e\u003cstrong data-start=\"2324\" data-end=\"2337\"\u003eVariants:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2340\" data-end=\"2473\"\u003e\n\u003cli data-start=\"2340\" data-end=\"2366\"\u003e\n\u003cp data-start=\"2342\" data-end=\"2366\"\u003ePart Number: 1570554\/B\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2367\" data-end=\"2415\"\u003e\n\u003cp data-start=\"2369\" data-end=\"2415\"\u003eIntake \u0026amp; exhaust use the same adjuster screw\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2416\" data-end=\"2473\"\u003e\n\u003cp data-start=\"2418\" data-end=\"2473\"\u003eSupplied individually (order quantity 2 for full set)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2475\" data-end=\"2478\"\u003e\n\u003cp data-start=\"2480\" data-end=\"2491\"\u003e\u003cstrong data-start=\"2480\" data-end=\"2489\"\u003eFAQs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"2493\" data-end=\"3238\"\u003e\n\u003cli data-start=\"2493\" data-end=\"2641\"\u003e\n\u003cp data-start=\"2496\" data-end=\"2641\"\u003e\u003cstrong data-start=\"2496\" data-end=\"2535\"\u003eDo I need one or two tappet screws?\u003c\/strong\u003e\u003cbr data-start=\"2535\" data-end=\"2538\"\u003e→ Both intake and exhaust valves use the same screw. For a full replacement, order \u003cstrong data-start=\"2624\" data-end=\"2638\"\u003etwo pieces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2643\" data-end=\"2814\"\u003e\n\u003cp data-start=\"2646\" data-end=\"2814\"\u003e\u003cstrong data-start=\"2646\" data-end=\"2702\"\u003eWhat symptoms indicate a bad tappet adjusting screw?\u003c\/strong\u003e\u003cbr data-start=\"2702\" data-end=\"2705\"\u003e→ Persistent valve ticking, uneven idle, difficulty holding clearance, or visible wear on the screw tip.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2816\" data-end=\"2942\"\u003e\n\u003cp data-start=\"2819\" data-end=\"2942\"\u003e\u003cstrong data-start=\"2819\" data-end=\"2874\"\u003eIs this compatible with older UCE or 500cc engines?\u003c\/strong\u003e\u003cbr data-start=\"2874\" data-end=\"2877\"\u003e→ \u003cstrong data-start=\"2882\" data-end=\"2889\"\u003eNo.\u003c\/strong\u003e This part is exclusive to \u003cstrong data-start=\"2916\" data-end=\"2939\"\u003eJ-Series 350 models\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2944\" data-end=\"3074\"\u003e\n\u003cp data-start=\"2947\" data-end=\"3074\"\u003e\u003cstrong data-start=\"2947\" data-end=\"3006\"\u003eDo I need to re-adjust valve clearance after replacing?\u003c\/strong\u003e\u003cbr data-start=\"3006\" data-end=\"3009\"\u003e→ Yes, always reset lash to factory spec after installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3076\" data-end=\"3238\"\u003e\n\u003cp data-start=\"3079\" data-end=\"3238\"\u003e\u003cstrong data-start=\"3079\" data-end=\"3122\"\u003eWhy choose OEM over aftermarket screws?\u003c\/strong\u003e\u003cbr data-start=\"3122\" data-end=\"3125\"\u003e→ OEM guarantees correct thread pitch, surface hardness, and fit, preventing valve tip or rocker arm damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50439483752743,"sku":null,"price":104.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/OEM_tappet_screw_1570554B_for_Meteor_350_and_Hunter_350.jpg?v=1758365729","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-1570554-b-tappet-adjusting-screw-j-series-350","provider":"UNDER THE HOOD","version":"1.0","type":"link"}