{"product_id":"harley-davidson-screamin-eagle-st-performance-spark-plugs","title":"Harley-Davidson Screamin' Eagle ST Performance Spark Plugs","description":"\u003cp style=\"margin: 1em 0;\"\u003eScreamin' Eagle ST Performance Spark Plugs feature a double platinum coating for exceptional erosion resistance and an extended service life. The V-trimmed ground electrode minimizes flame front shrouding to enhance flame propagation, while the fine wire center electrode provides improved start-ups and superior ignitability.\u003c\/p\u003e\n\u003cp style=\"margin: 1em 0;\"\u003eEngineered with Ribbed Core Technology (RCT) to actively resist fouling, these standard-compression spark plugs also include Original Equipment-style noise suppression to eliminate electrical interference with radios and communication systems. Finished with the signature Screamin' Eagle logo, they deliver reliable performance for stock compression engines with high-flow air cleaners, performance exhausts, or racing air\/fuel mixtures.\u003c\/p\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eKey Features\u003c\/h3\u003e\n\u003ctable class=\"pu-table\" style=\"width: 100%; border-collapse: separate; border-spacing: 0; border: 0; box-shadow: none; outline: none; background: none; table-layout: fixed; margin: 0 0 1em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eScreamin' Eagle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eHarley-Davidson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eSpark Plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e31600106\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003ePlating \/ Coating\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eDouble Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eElectrode Type\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eV-Trimmed Ground \/ Fine Wire Center\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eStandard Compression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eTechnology\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eRibbed Core Technology (RCT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top;\"\u003eQuantity\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top;\"\u003ePair (Set of 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eHighlights\u003c\/h3\u003e\n\u003cul style=\"margin: 1em 0;\"\u003e\n\u003cli\u003eFor Standard Compression Applications\u003c\/li\u003e\n\u003cli\u003eFeatures Ribbed Core Technology (RCT) that provides resistance to fouling\u003c\/li\u003e\n\u003cli\u003eDesigned with Original Equipment-style noise suppression to prevent electrical interference with radios and CB communication equipment\u003c\/li\u003e\n\u003cli\u003eWorks great in racing applications where rich air\/fuel conditions are required\u003c\/li\u003e\n\u003cli\u003eDesigned for modified engines including performance carburetors, high-flow air cleaners, camshafts, exhaust systems, and ignition systems in conjunction with stock compression ratios\u003c\/li\u003e\n\u003cli\u003eUnique style with Screamin' Eagle logo\u003c\/li\u003e\n\u003cli\u003eSold in pairs\u003c\/li\u003e\n\u003cli\u003eFits 99-17 Twin Cam-equipped models and 86-22 Evolution Sportster 883, 1100, and 1200 models\u003c\/li\u003e\n\u003cli\u003eIn the Box: 2 spark plugs\u003c\/li\u003e\n\u003cli\u003eScreamin' Eagle products are 50-State U.S. EPA compliant for sale and use on all applicable vehicles including those that are pollution controlled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp style=\"margin: 1em 0;\"\u003eFits 1999–2017 Twin Cam-equipped models and 1986–2022 Evolution Sportster 883, 1100, and 1200 models.\u003c\/p\u003e\n\u003ctable class=\"pu-table\" style=\"width: 100%; border-collapse: separate; border-spacing: 0; border: 0; box-shadow: none; outline: none; background: none; table-layout: fixed; margin: 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0;\"\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ctable class=\"pu-table\" style=\"width: 100%; border-collapse: separate; border-spacing: 0; border: 0; box-shadow: none; outline: none; background: none; table-layout: fixed; margin: 0 0 1em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eWhich Harley-Davidson models are compatible with these spark plugs?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eThese spark plugs fit 1999–2017 Twin Cam-equipped models and 1986–2022 Evolution Sportster 883, 1100, and 1200 models.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eHow many spark plugs are included in the package?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eThey are sold in pairs and include two spark plugs per package.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eWhat is the benefit of the Ribbed Core Technology (RCT)?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eRibbed Core Technology (RCT) provides enhanced resistance against spark plug fouling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0;\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eWill these spark plugs interfere with motorcycle audio or CB communications?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eNo, they are designed with Original Equipment-style noise suppression to prevent electrical interference with radios and CB communication equipment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Screamin' Eagle","offers":[{"title":"Default Title","offer_id":67583396544680,"sku":"31600106","price":54.51,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2334\/0805\/files\/HD31600106_1_1.jpg?v=1790752068","url":"https:\/\/shop.perthhd.com.au\/products\/harley-davidson-screamin-eagle-st-performance-spark-plugs","provider":"Perth \u0026 Rockingham Harley-Davidson","version":"1.0","type":"link"}