{"product_id":"hks-gr86-brz-m-series-spark-plug-stock-heat","title":"HKS GR86 \/ BRZ M-Series Spark Plug (Stock Heat)","description":"\u003ch4 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cem\u003ePrice is PER Plug, 4 required for full replacement \u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cem\u003eon FA24\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cem\u003eBest paired with the \u003cspan style=\"color: rgb(0, 170, 255);\"\u003e\u003ca style=\"color: rgb(0, 170, 255);\" href=\"https:\/\/limitplus1.com\/collections\/gr86-engine-and-drivetrain\/products\/hks-gr86-brz-premium-tool-plug-wrench-set?_pos=12\u0026amp;_fid=a6d65f4b5\u0026amp;_ss=c\"\u003eHKS Wrench Set\u003c\/a\u003e\u003c\/span\u003e for easier replacement.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4 style=\"text-align: center;\"\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe HKS Super Fire Racing \u003cstrong data-start=\"197\" data-end=\"220\"\u003eM‑Series spark plug\u003c\/strong\u003e is a high‑performance \u003cstrong data-start=\"243\" data-end=\"265\"\u003eiridium spark plug\u003c\/strong\u003e designed for tuned or high‑load engines, offering improved durability and ignition performance over many stock plugs.\u003c\/p\u003e\n\u003chr class=\"mx-auto w-100\"\u003e\n\u003ch4\u003eKey Features \u0026amp; Specs\u003c\/h4\u003e\n\u003cul data-end=\"957\" data-start=\"611\"\u003e\n\u003cli data-end=\"799\" data-start=\"611\"\u003e\n\u003cp data-end=\"799\" data-start=\"613\"\u003e\u003cstrong data-end=\"654\" data-start=\"613\"\u003e0.6 mm Iridium Alloy Center Electrode\u003c\/strong\u003e — strong, efficient spark delivery with lower voltage requirement and excellent durability under stress. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"957\" data-start=\"800\"\u003e\n\u003cp data-end=\"957\" data-start=\"802\"\u003e\u003cstrong data-end=\"835\" data-start=\"802\"\u003ePlatinum Chip Outer Electrode\u003c\/strong\u003e — longer wear life and consistent gap maintenance even under aggressive conditions. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-end=\"996\" data-start=\"959\"\u003eAdvanced Ignition Enhancements\u003c\/h4\u003e\n\u003cul data-end=\"1486\" data-start=\"997\"\u003e\n\u003cli data-end=\"1159\" data-start=\"997\"\u003e\n\u003cp data-end=\"1159\" data-start=\"999\"\u003e\u003cstrong data-end=\"1046\" data-start=\"999\"\u003eShort‑Type Outer Electrode (Anti‑Vibration)\u003c\/strong\u003e — reduced moving mass resists vibration and electrode wear at high RPMs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1333\" data-start=\"1160\"\u003e\n\u003cp data-end=\"1333\" data-start=\"1162\"\u003e\u003cstrong data-end=\"1196\" data-start=\"1162\"\u003eThermal Edge Ceramic Insulator\u003c\/strong\u003e — helps shed carbon deposits that can misfire or foul plugs during varying operating conditions. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1486\" data-start=\"1334\"\u003e\n\u003cp data-end=\"1486\" data-start=\"1336\"\u003e\u003cstrong data-end=\"1357\" data-start=\"1336\"\u003eSpark Support Gap\u003c\/strong\u003e — micro‑gap design around the insulator tip that helps keep combustion reliable and clean.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"mx-auto w-100\"\u003e\n\u003ch4 data-start=\"1189\" data-end=\"1219\"\u003eTechnical Specifications\u003c\/h4\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=\"1221\" data-end=\"1811\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1221\" data-end=\"1247\"\u003e\n\u003ctr data-start=\"1221\" data-end=\"1247\"\u003e\n\u003cth data-start=\"1221\" data-end=\"1237\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1237\" data-end=\"1247\" data-col-size=\"md\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1275\" data-end=\"1811\"\u003e\n\u003ctr data-start=\"1275\" data-end=\"1308\"\u003e\n\u003ctd data-start=\"1275\" data-end=\"1293\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1277\" data-end=\"1292\"\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1293\" data-end=\"1308\"\u003e50003‑M40HL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1309\" data-end=\"1358\"\u003e\n\u003ctd data-start=\"1309\" data-end=\"1322\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1311\" data-end=\"1321\"\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1322\" data-end=\"1358\" data-col-size=\"md\"\u003eHKS Super Fire Racing – M‑Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1359\" data-end=\"1493\"\u003e\n\u003ctd data-start=\"1359\" data-end=\"1376\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1361\" data-end=\"1375\"\u003eHeat Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1376\" data-end=\"1493\"\u003eEquivalent to \u003cstrong data-start=\"1392\" data-end=\"1402\"\u003eNGK #8\u003c\/strong\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1494\" data-end=\"1569\"\u003e\n\u003ctd data-start=\"1494\" data-end=\"1512\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1511\"\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1512\" data-end=\"1569\"\u003e12 mm × 26.5 mm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1570\" data-end=\"1635\"\u003e\n\u003ctd data-start=\"1570\" data-end=\"1588\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1572\" data-end=\"1587\"\u003eWrench Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1588\" data-end=\"1635\" data-col-size=\"md\"\u003e14 mm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1636\" data-end=\"1727\"\u003e\n\u003ctd data-start=\"1636\" data-end=\"1653\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1638\" data-end=\"1652\"\u003eElectrodes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1653\" data-end=\"1727\"\u003eIridium center \/ Platinum ground \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1728\" data-end=\"1811\"\u003e\n\u003ctd data-start=\"1728\" data-end=\"1739\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1730\" data-end=\"1738\"\u003eSold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1739\" data-end=\"1811\"\u003e\n\u003cstrong data-start=\"1741\" data-end=\"1757\"\u003eIndividually\u003c\/strong\u003e (each plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":51788075991319,"sku":"hks50003-M40HL","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/2351\/8231\/files\/HKS_M-Series_Spark_Plug_Stock_Heat_1.png?v=1767980167","url":"https:\/\/limitplus1.com\/products\/hks-gr86-brz-m-series-spark-plug-stock-heat","provider":"LIMIT+1","version":"1.0","type":"link"}