{"product_id":"royal-enfield-570129h-rocker-cover-seal-bolt-m7x1x64-uce","title":"Hex Head Rocker Cover Seal Bolt (Rocker Cover Mounting Screw) for Royal Enfield UCE 350\/500 \u0026 Continental GT 535 – 570129\/H (M7x1 x 64)","description":"\u003cp data-start=\"278\" data-end=\"840\"\u003eRoyal Enfield \u003cstrong data-start=\"292\" data-end=\"304\"\u003e570129\/H\u003c\/strong\u003e is the genuine \u003cstrong data-start=\"320\" data-end=\"360\"\u003ehex head rocker cover mounting screw\u003c\/strong\u003e, commonly called the \u003cstrong data-start=\"382\" data-end=\"408\"\u003erocker cover seal bolt\u003c\/strong\u003e. It clamps the rocker\/valve cover on UCE engines and is designed to work with the sealing washer system so the top-end stays oil-tight under heat cycles and vibration. If you’re seeing \u003cstrong data-start=\"594\" data-end=\"631\"\u003eoil seepage from the rocker cover\u003c\/strong\u003e, recurring “wet” engine fins, or a bolt that’s been rounded\/over-torqued during valve\/tappet work, replacing this fastener is the clean, OEM-correct fix—especially on export bikes and high-mileage UCE motors.\u003c\/p\u003e\n\u003cp data-start=\"842\" data-end=\"994\"\u003eThis part is also searched as: \u003cstrong data-start=\"873\" data-end=\"993\"\u003e“rocker cover bolt”, “tappet cover bolt”, “valve cover seal bolt”, “Rocker cover mounting screw M7”, “570129-H bolt”\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"996\" data-end=\"1245\"\u003eBefore you buy: \u003cstrong data-start=\"1012\" data-end=\"1056\"\u003eConfirm it’s a UCE engine (not J-Series)\u003c\/strong\u003e and verify thread\/length \u003cstrong data-start=\"1082\" data-end=\"1095\"\u003eM7x1 x 64\u003c\/strong\u003e on your old bolt (photo match recommended). The OEM spec is listed as \u003cstrong data-start=\"1166\" data-end=\"1179\"\u003eM7x1 x 64\u003c\/strong\u003e in UCE parts documentation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1247\" data-end=\"1282\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-start=\"1283\" data-end=\"2194\"\u003e\n\u003cli data-start=\"1283\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1285\" data-end=\"1372\"\u003eGenuine Royal Enfield part number: \u003cstrong data-start=\"1320\" data-end=\"1332\"\u003e570129\/H\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1373\" data-end=\"1490\"\u003e\n\u003cp data-start=\"1375\" data-end=\"1490\"\u003ePart type: \u003cstrong data-start=\"1386\" data-end=\"1450\"\u003eHEX.HEAD SCREW_ROC_COVER_MTG (Seal Bolt \/ Rocker Cover Bolt)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1491\" data-end=\"1605\"\u003e\n\u003cp data-start=\"1493\" data-end=\"1605\"\u003eSize\/spec: \u003cstrong data-start=\"1504\" data-end=\"1534\"\u003eM7 x 1 pitch, 64 mm length\u003c\/strong\u003e (as listed in parts catalogue) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1606\" data-end=\"1765\"\u003e\n\u003cp data-start=\"1608\" data-end=\"1765\"\u003eHelps prevent \u003cstrong data-start=\"1622\" data-end=\"1650\"\u003erocker cover oil seepage\u003c\/strong\u003e when used with the correct sealing washer (washer usually sold separately) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1766\" data-end=\"1918\"\u003e\n\u003cp data-start=\"1768\" data-end=\"1918\"\u003eCorrect replacement for listings that show \u003cstrong data-start=\"1811\" data-end=\"1832\"\u003e570129-H \/ 570129\u003c\/strong\u003e formats (same base PN format used by sellers) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1919\" data-end=\"2034\"\u003e\n\u003cp data-start=\"1921\" data-end=\"2034\"\u003eIdeal during: tappet\/valve service, rocker cover gasket work, top-end reseal, stripped\/rounded bolt replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2035\" data-end=\"2120\"\u003e\n\u003cp data-start=\"2037\" data-end=\"2120\"\u003eReturn-prevention: \u003cstrong data-start=\"2056\" data-end=\"2081\"\u003eM7 bolts are uncommon\u003c\/strong\u003e—do not substitute M6\/M8 “lookalikes”\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2121\" data-end=\"2194\"\u003e\n\u003cp data-start=\"2123\" data-end=\"2194\"\u003eOEM fit and finish for proper torque\/clamp behavior vs generic hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2196\" data-end=\"2232\"\u003eCompatibility Table\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2234\" data-end=\"3800\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2234\" data-end=\"2318\"\u003e\n\u003ctr data-start=\"2234\" data-end=\"2318\"\u003e\n\u003cth data-start=\"2234\" data-end=\"2242\" data-col-size=\"md\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2242\" data-end=\"2260\" data-col-size=\"sm\"\u003ePlatform\/Engine\u003c\/th\u003e\n\u003cth data-start=\"2260\" data-end=\"2274\" data-col-size=\"sm\"\u003eBS\/Emission\u003c\/th\u003e\n\u003cth data-start=\"2274\" data-end=\"2282\" data-col-size=\"sm\"\u003eYears\u003c\/th\u003e\n\u003cth data-start=\"2282\" data-end=\"2297\" data-col-size=\"sm\"\u003eStatus (✅\/❓)\u003c\/th\u003e\n\u003cth data-start=\"2297\" data-end=\"2318\" data-col-size=\"lg\"\u003eNotes\/Constraints\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2348\" data-end=\"3800\"\u003e\n\u003ctr data-start=\"2348\" data-end=\"2553\"\u003e\n\u003ctd data-start=\"2348\" data-end=\"2373\" data-col-size=\"md\"\u003eBullet 350 UCE (KS\/ES)\u003c\/td\u003e\n\u003ctd data-start=\"2373\" data-end=\"2383\" data-col-size=\"sm\"\u003eUCE 350\u003c\/td\u003e\n\u003ctd data-start=\"2383\" data-end=\"2402\" data-col-size=\"sm\"\u003eBS3\/BS4 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"2402\" data-end=\"2424\" data-col-size=\"sm\"\u003e2009–2019 (typical)\u003c\/td\u003e\n\u003ctd data-start=\"2424\" data-end=\"2428\" data-col-size=\"sm\"\u003e✅\u003c\/td\u003e\n\u003ctd data-start=\"2428\" data-end=\"2553\" data-col-size=\"lg\"\u003eConfirmed by UCE parts catalogue + dealer listing; verify bolt length on your bike. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2554\" data-end=\"2724\"\u003e\n\u003ctd data-start=\"2554\" data-end=\"2577\" data-col-size=\"md\"\u003eElectra 350 UCE (ES)\u003c\/td\u003e\n\u003ctd data-start=\"2577\" data-end=\"2587\" data-col-size=\"sm\"\u003eUCE 350\u003c\/td\u003e\n\u003ctd data-start=\"2587\" data-end=\"2606\" data-col-size=\"sm\"\u003eBS3\/BS4 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"2606\" data-end=\"2628\" data-col-size=\"sm\"\u003e2009–2018 (typical)\u003c\/td\u003e\n\u003ctd data-start=\"2628\" data-end=\"2632\" data-col-size=\"sm\"\u003e✅\u003c\/td\u003e\n\u003ctd data-start=\"2632\" data-end=\"2724\" data-col-size=\"lg\"\u003eConfirmed by UCE parts catalogue + dealer listing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2725\" data-end=\"2957\"\u003e\n\u003ctd data-start=\"2725\" data-end=\"2743\" data-col-size=\"md\"\u003eClassic 350 UCE\u003c\/td\u003e\n\u003ctd data-start=\"2743\" data-end=\"2753\" data-col-size=\"sm\"\u003eUCE 350\u003c\/td\u003e\n\u003ctd data-start=\"2753\" data-end=\"2763\" data-col-size=\"sm\"\u003eBS3\/BS4\u003c\/td\u003e\n\u003ctd data-start=\"2763\" data-end=\"2775\" data-col-size=\"sm\"\u003e2009–2019\u003c\/td\u003e\n\u003ctd data-start=\"2775\" data-end=\"2779\" data-col-size=\"sm\"\u003e✅\u003c\/td\u003e\n\u003ctd data-start=\"2779\" data-end=\"2957\" data-col-size=\"lg\"\u003eCatalogue references Classic 350 family; dealer listing includes Classic (seller typo may show “Classic 352”). Verify by old bolt\/photo. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2958\" data-end=\"3129\"\u003e\n\u003ctd data-start=\"2958\" data-end=\"2975\" data-col-size=\"md\"\u003eBullet 500 UCE\u003c\/td\u003e\n\u003ctd data-start=\"2975\" data-end=\"2985\" data-col-size=\"sm\"\u003eUCE 500\u003c\/td\u003e\n\u003ctd data-start=\"2985\" data-end=\"3011\" data-col-size=\"sm\"\u003eEuro3\/Euro4\/BS (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3011\" data-end=\"3023\" data-col-size=\"sm\"\u003e2009–2020\u003c\/td\u003e\n\u003ctd data-start=\"3023\" data-end=\"3027\" data-col-size=\"sm\"\u003e✅\u003c\/td\u003e\n\u003ctd data-start=\"3027\" data-end=\"3129\" data-col-size=\"lg\"\u003eConfirmed by dealer listing + Euro model assignment sources. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3130\" data-end=\"3302\"\u003e\n\u003ctd data-start=\"3130\" data-end=\"3148\" data-col-size=\"md\"\u003eClassic 500 EFI\u003c\/td\u003e\n\u003ctd data-start=\"3148\" data-end=\"3162\" data-col-size=\"sm\"\u003eUCE 500 EFI\u003c\/td\u003e\n\u003ctd data-start=\"3162\" data-end=\"3182\" data-col-size=\"sm\"\u003eEuro4\/BS (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3182\" data-end=\"3194\" data-col-size=\"sm\"\u003e2009–2020\u003c\/td\u003e\n\u003ctd data-start=\"3194\" data-end=\"3198\" data-col-size=\"sm\"\u003e✅\u003c\/td\u003e\n\u003ctd data-start=\"3198\" data-end=\"3302\" data-col-size=\"lg\"\u003eConfirmed by Classic 500 Euro IV parts PDF + dealer listing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3303\" data-end=\"3454\"\u003e\n\u003ctd data-start=\"3303\" data-end=\"3321\" data-col-size=\"md\"\u003eThunderbird 500\u003c\/td\u003e\n\u003ctd data-start=\"3321\" data-end=\"3331\" data-col-size=\"sm\"\u003eUCE 500\u003c\/td\u003e\n\u003ctd data-start=\"3331\" data-end=\"3341\" data-col-size=\"sm\"\u003eBS3\/BS4\u003c\/td\u003e\n\u003ctd data-start=\"3341\" data-end=\"3353\" data-col-size=\"sm\"\u003e2012–2020\u003c\/td\u003e\n\u003ctd data-start=\"3353\" data-end=\"3357\" data-col-size=\"sm\"\u003e✅\u003c\/td\u003e\n\u003ctd data-start=\"3357\" data-end=\"3454\" data-col-size=\"lg\"\u003eConfirmed by UCE catalogue coverage + dealer listing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3455\" data-end=\"3633\"\u003e\n\u003ctd data-start=\"3455\" data-end=\"3476\" data-col-size=\"md\"\u003eContinental GT 535\u003c\/td\u003e\n\u003ctd data-start=\"3476\" data-end=\"3486\" data-col-size=\"sm\"\u003eUCE 535\u003c\/td\u003e\n\u003ctd data-start=\"3486\" data-end=\"3500\" data-col-size=\"sm\"\u003eEuro3\/Euro4\u003c\/td\u003e\n\u003ctd data-start=\"3500\" data-end=\"3512\" data-col-size=\"sm\"\u003e2013–2018\u003c\/td\u003e\n\u003ctd data-start=\"3512\" data-end=\"3516\" data-col-size=\"sm\"\u003e✅\u003c\/td\u003e\n\u003ctd data-start=\"3516\" data-end=\"3633\" data-col-size=\"lg\"\u003eConfirmed by dealer listing (“Continental GT”) + GT 535 Euro assignments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3634\" data-end=\"3800\"\u003e\n\u003ctd data-start=\"3634\" data-end=\"3685\" data-col-size=\"md\"\u003eAny J-Series 350 (Reborn\/Meteor\/Hunter\/Bullet J)\u003c\/td\u003e\n\u003ctd data-start=\"3685\" data-end=\"3696\" data-col-size=\"sm\"\u003eJ-Series\u003c\/td\u003e\n\u003ctd data-start=\"3696\" data-end=\"3702\" data-col-size=\"sm\"\u003eBS6\u003c\/td\u003e\n\u003ctd data-start=\"3702\" data-end=\"3710\" data-col-size=\"sm\"\u003e2021+\u003c\/td\u003e\n\u003ctd data-start=\"3710\" data-end=\"3729\" data-col-size=\"sm\"\u003e❌ Not compatible\u003c\/td\u003e\n\u003ctd data-start=\"3729\" data-end=\"3800\" data-col-size=\"lg\"\u003eDifferent engine family and fastener set—do not order for J-Series.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-start=\"3802\" data-end=\"3818\"\u003eVariants\u003c\/h2\u003e\n\u003cp data-start=\"3819\" data-end=\"3831\"\u003eNo variants.\u003c\/p\u003e\n\u003ch2 data-start=\"3833\" data-end=\"3857\"\u003eFAQs\u003c\/h2\u003e\n\u003cp data-start=\"3859\" data-end=\"4168\"\u003e\u003cstrong data-start=\"3859\" data-end=\"3912\"\u003e1) Fitment: Will this fit all Royal Enfield 350s?\u003c\/strong\u003e\u003cbr data-start=\"3912\" data-end=\"3915\"\u003eNo. It fits \u003cstrong data-start=\"3927\" data-end=\"3938\"\u003eUCE 350\u003c\/strong\u003e engines (older Classic\/Bullet\/Electra UCE). It is \u003cstrong data-start=\"3989\" data-end=\"4013\"\u003enot for J-Series 350\u003c\/strong\u003e (Reborn\/Meteor\/Hunter\/Bullet J). Use your RC copy\/engine type or share a photo of the old bolt for confirmation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4170\" data-end=\"4451\"\u003e\u003cstrong data-start=\"4170\" data-end=\"4219\"\u003e2) Fitment: How do I confirm before ordering?\u003c\/strong\u003e\u003cbr data-start=\"4219\" data-end=\"4222\"\u003eMatch (a) your bike is \u003cstrong data-start=\"4245\" data-end=\"4259\"\u003eUCE engine\u003c\/strong\u003e, and (b) your old bolt measures\/spec matches \u003cstrong data-start=\"4305\" data-end=\"4318\"\u003eM7x1 x 64\u003c\/strong\u003e. A clear photo of the removed bolt + rocker cover area is the fastest verification method. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4453\" data-end=\"4737\"\u003e\u003cstrong data-start=\"4453\" data-end=\"4514\"\u003e3) OEM vs aftermarket: Why buy genuine for a simple bolt?\u003c\/strong\u003e\u003cbr data-start=\"4514\" data-end=\"4517\"\u003eRocker cover bolts are torque-sensitive and work with sealing washers. OEM maintains correct thread quality, head sizing, and clamp behavior—generic bolts often cause seepage, thread damage, or rounding during service.\u003c\/p\u003e\n\u003cp data-start=\"4739\" data-end=\"5037\"\u003e\u003cstrong data-start=\"4739\" data-end=\"4790\"\u003e4) Installation: Any precautions while fitting?\u003c\/strong\u003e\u003cbr data-start=\"4790\" data-end=\"4793\"\u003eInstall clean threads, start by hand (avoid cross-threading), and torque evenly in sequence with the other rocker cover fasteners. Replace the sealing washer if it’s flattened\/hardened to prevent leaks. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"5039\" data-end=\"5233\"\u003e\u003cstrong data-start=\"5039\" data-end=\"5083\"\u003e5) Symptoms: What issue does this solve?\u003c\/strong\u003e\u003cbr data-start=\"5083\" data-end=\"5086\"\u003eCommonly fixes: oil seepage at rocker\/valve cover, damaged\/rounded bolt head from previous service, and poor clamping after repeated heat cycles.\u003c\/p\u003e\n\u003cp data-start=\"5235\" data-end=\"5533\"\u003e\u003cstrong data-start=\"5235\" data-end=\"5305\"\u003e6) Returns-prevention: What should I send to verify if I’m unsure?\u003c\/strong\u003e\u003cbr data-start=\"5305\" data-end=\"5308\"\u003eSend: (1) bike model + year, (2) engine type confirmation \u003cstrong data-start=\"5366\" data-end=\"5373\"\u003eUCE\u003c\/strong\u003e, and (3) close-up photo of the old bolt + length measurement. Without this, wrong orders are common because \u003cstrong data-start=\"5482\" data-end=\"5488\"\u003eM7\u003c\/strong\u003e is uncommon and similar-looking bolts exist.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50994164465959,"sku":null,"price":96.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/570129_head_screw_rock_cover_9f9b90a2-3691-458d-a17b-2915ee68977c.png?v=1769857956","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-570129h-rocker-cover-seal-bolt-m7x1x64-uce","provider":"UNDER THE HOOD","version":"1.0","type":"link"}