{"product_id":"harddrive-hd-performance-coils-30v-hp-dual-fire-coil-end-posts-elct-ign-1985-820-60403","title":"Harddrive HD Performance Coils - 30v-HP Dual Fire Coil END Posts Elct IGN 1985-… — Harley-Davidson (1985-1998)","description":"\u003cp\u003eHarddrive HD Performance 30,000-volt dual-fire ignition coil for V-twin motorcycles, engineered to increase peak spark voltage by 20% or more over stock. ION Sense feedback integrates seamlessly with stock Harley EFI systems while improving cold starts, eliminating high-speed misfire, and boosting fuel economy.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e30,000-volt high-power output\u003c\/li\u003e\n  \u003cli\u003eDual Fire and Single Fire compatible\u003c\/li\u003e\n  \u003cli\u003eION Sense feedback for stock EFI ECU integration\u003c\/li\u003e\n  \u003cli\u003eIncreases peak spark voltage 20%+\u003c\/li\u003e\n  \u003cli\u003eImproves cold-start performance\u003c\/li\u003e\n  \u003cli\u003eReduces high-speed misfires\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harddrive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 10-2025B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191361439391\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Output:\u003c\/strong\u003e 30,000 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 3 in W × 4 in H\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\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles with dual-fire or single-fire ignition systems and stock EFI. Compatible with Harley-Davidson and Indian Motorcycle platforms using ION Sense feedback.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this coil work with my stock Harley EFI?\u003c\/h3\u003e\n\u003cp\u003eYes — ION Sense feedback makes it fully compatible with stock Harley EFI ECUs without requiring a separate tuner.\u003c\/p\u003e\n\u003ch3\u003eHow much horsepower will I gain?\u003c\/h3\u003e\n\u003cp\u003eThis coil improves spark quality and combustion efficiency, resulting in better starts and smoother running. Peak spark voltage increases 20% or more versus stock.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit both dual-fire and single-fire systems?\u003c\/h3\u003e\n\u003cp\u003eYes — this coil is compatible with both dual-fire and single-fire ignition configurations.\u003c\/p\u003e\n\u003ch3\u003eWhat problems does this solve?\u003c\/h3\u003e\n\u003cp\u003eEliminates high-speed misfires, improves cold-start reliability, and can help increase fuel mileage through more complete combustion.\u003c\/p\u003e","brand":"Harddrive","offers":[{"title":"Default Title","offer_id":53036026003567,"sku":"820-60403","price":64.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_aeedfd9b-c47b-45e2-8ae5-b2a9fcc24ac0.png?v=1779564424","url":"https:\/\/vtwinbikers.com\/products\/harddrive-hd-performance-coils-30v-hp-dual-fire-coil-end-posts-elct-ign-1985-820-60403","provider":"Vtwinbikers","version":"1.0","type":"link"}