{"product_id":"dynatek-s-ignition-system-single-fire-1970-and-later-133-3002","title":"Dynatek S Single Fire Ignition System - Harley \u0026 Indian V-Twin","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 Dynatek\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eDynatek parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Dynatek 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;\"\u003eExperience precise ignition control with the Dynatek S Single Fire Ignition System, a complete electronic upgrade for 1970 and later Harley-Davidson and Indian motorcycles. This system delivers a dedicated spark to each cylinder, optimizing combustion for enhanced engine performance.\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;\"\u003eSingle-fire electronic ignition for 1970 \u0026amp; later V-twins\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMounts behind factory ignition cover for a clean look\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePreserves original spark advance curve\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOptimizes combustion with individual cylinder spark\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eRequires 5 ohm coils for street operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor riders seeking the ultimate in ignition precision for their 1970 and later Harley-Davidson or Indian V-twin, the Dynatek S Single Fire Ignition System is a top-tier choice. This self-contained electronic unit mounts discreetly behind your stock ignition cover, maintaining a clean look while providing modern performance benefits. With a single-fire setup, each cylinder receives an individual spark, leading to more complete combustion, smoother idle, and improved throttle response across the RPM range. It's a proven system, trusted by racers for decades, that brings race-bred technology to your street machine.\u003c\/p\u003e\u003ch3\u003ePrecise Single Fire Ignition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eElectronic single-fire ignition system\u003c\/li\u003e\n\u003cli\u003eMounts discreetly behind the factory ignition cover\u003c\/li\u003e\n\u003cli\u003eMaintains the original spark advance curve with a magnetic rotor\u003c\/li\u003e\n\u003cli\u003eDelivers precise, individual spark to each cylinder\u003c\/li\u003e\n\u003cli\u003eRequires use of 5 ohm coils for street applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUnlocking V-Twin Potential\u003c\/h3\u003e\u003cp\u003eThe Dynatek S Single Fire Ignition System is an ideal upgrade for V-twin owners looking to extract maximum performance and efficiency from their engine. By providing individual spark control, it helps to eliminate spark scatter and optimize timing, leading to a more refined and powerful riding experience. Ensure you pair this system with the recommended 5 ohm coils for street use to achieve the best results. Always confirm fitment for your specific Harley-Davidson or Indian model before ordering.\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 Dynatek\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e DS6-2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 840094313644\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5.25 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.7 lbs\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;\"\u003eWhat coils do I need to use with this ignition system?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYou must use 5 ohm coils for street operation with the Dynatek S Single Fire Ignition System. Using incorrect coil resistance can cause performance and starting issues.\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 system change the spark advance curve?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, the Dynatek S system utilizes the original magnetic rotor and spark advancer, ensuring that the factory advance curve is maintained.\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 system legal for street use everywhere?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Dynatek S ignition system is not legal for use in California on pollution-controlled vehicles. Always verify local emissions laws before 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\":\"Engine Management\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Dynatek\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/dynatek\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Dynatek S Single Fire Ignition System - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/dynatek-s-ignition-system-single-fire-1970-and-later-133-3002\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What coils do I need to use with this ignition system?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You must use 5 ohm coils for street operation with the Dynatek S Single Fire Ignition System. Using incorrect coil resistance can cause performance and starting issues.\"}},{\"@type\":\"Question\",\"name\":\"Does this system change the spark advance curve?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, the Dynatek S system utilizes the original magnetic rotor and spark advancer, ensuring that the factory advance curve is maintained.\"}},{\"@type\":\"Question\",\"name\":\"Is this system legal for street use everywhere?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Dynatek S ignition system is not legal for use in California on pollution-controlled vehicles. Always verify local emissions laws before installation.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Dynatek","offers":[{"title":"Default Title","offer_id":53034987913327,"sku":"133-3002","price":222.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d724635c-726a-428c-be7b-1aa82cfa45b4.png?v=1779558679","url":"https:\/\/vtwinbikers.com\/products\/dynatek-s-ignition-system-single-fire-1970-and-later-133-3002","provider":"Vtwinbikers","version":"1.0","type":"link"}