Twin Power Single Fire 3 Ohm Ignition Coil For Harley The Twin Power replacement coil delivers enhanced ignition performance with a significant boost in voltage, offering at least 20 more than stock coils. Designed as direct-fit replacements, these high-quality coils ensure improved reliability and efficiency for motorcycle enthusiasts seeking increased power. Features: Single Fire / Dual Output / 3 Ohm High-quality, molded-epoxy coils for 12-Volt ignition systems increases peak spark voltage by 20 or more Late OEM-style molded case Improved starting Prevents high-speed misfires Increases mileage and overall performance Comes with a one-year manufacturer's warranty Note: For single fire ignition with dual coil output.