{"product_id":"compufire-ignition-coil-dual-fire-1980-2002-big-twin-except-efi-139-10013","title":"Compufire Dual Fire Ignition Coil 3 OHM - Harley Big Twin 1980-2002","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Compufire\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCompufire parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Compufire item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003ePower up your carbureted 1980-2002 Harley Big Twin with the Compufire Dual Fire Ignition Coil. This high-performance coil delivers a robust 50,000-volt spark, ensuring reliable ignition and improved engine efficiency.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003e3 OHM resistance for dual-fire systems\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e50,000-volt output for strong spark\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect replacement for stock coil\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits carbureted Big Twin 1980-2002\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned specifically for carbureted Harley-Davidson Big Twin models, this Compufire Dual Fire Ignition Coil is a direct replacement that significantly enhances your bike's spark delivery. A strong spark is critical for complete fuel combustion, which translates to better throttle response, smoother idle, and overall improved engine performance. This coil is built to withstand the demands of the open road, providing consistent power when you need it most.\u003c\/p\u003e\u003ch3\u003eReliable Spark for Your Big Twin\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3 OHM resistance, optimized for dual-fire Big Twin systems\u003c\/li\u003e\n\u003cli\u003ePowerful 50,000-volt output for consistent spark\u003c\/li\u003e\n\u003cli\u003eDirect fit for 1980-2002 carbureted Harley Big Twin models\u003c\/li\u003e\n\u003cli\u003eMade in the USA for dependable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential Ignition System Upgrade\u003c\/h3\u003e\u003cp\u003eThis Compufire ignition coil is an excellent choice for riders looking to upgrade or replace their existing dual-fire coil. It mounts in the stock coil location, making installation straightforward. Pairing this coil with a compatible ignition module and quality spark plug wires will ensure your Harley's ignition system is operating at its peak, providing reliable starts and powerful performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Compufire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 30650\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547745\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3 OHM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Output:\u003c\/strong\u003e 50,000 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Mainland)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ignition coil work with my fuel-injected Harley Big Twin?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this Compufire Dual Fire Ignition Coil is designed exclusively for carbureted Harley-Davidson Big Twin models from 1980-2002 and is not compatible with EFI systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this coil compatible with Dyna S or points-style ignitions?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this coil is not intended for use with Dyna S or points-style ignition systems. It is designed for electronic dual-fire ignition setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDoes this coil fit in the original mounting location?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Compufire Dual Fire Ignition Coil is designed to mount directly in the stock coil location for 1980-2002 carbureted Big Twin models, ensuring a straightforward installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Electrical\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Compufire\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/compufire\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Compufire Dual Fire Ignition Coil 3 OHM - Harley Big Twin 1980-2002\",\"item\":\"https:\/\/vtwinbikers.com\/products\/compufire-ignition-coil-dual-fire-1980-2002-big-twin-except-efi-139-10013\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this ignition coil work with my fuel-injected Harley Big Twin?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this Compufire Dual Fire Ignition Coil is designed exclusively for carbureted Harley-Davidson Big Twin models from 1980-2002 and is not compatible with EFI systems.\"}},{\"@type\":\"Question\",\"name\":\"Is this coil compatible with Dyna S or points-style ignitions?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this coil is not intended for use with Dyna S or points-style ignition systems. It is designed for electronic dual-fire ignition setups.\"}},{\"@type\":\"Question\",\"name\":\"Does this coil fit in the original mounting location?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Compufire Dual Fire Ignition Coil is designed to mount directly in the stock coil location for 1980-2002 carbureted Big Twin models, ensuring a straightforward installation.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871961199,"sku":"139-10013","price":104.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/d4ee-5dd5c4d3322a1.jpg?v=1777529914","url":"https:\/\/vtwinbikers.com\/products\/compufire-ignition-coil-dual-fire-1980-2002-big-twin-except-efi-139-10013","provider":"Vtwinbikers","version":"1.0","type":"link"}