DRAG # 2102-0228 OEM#31614-83A Single-Fire and Dual-Fire Ignition Coil Dual-Fire Ignition Coil - Harley Davidson - Black Specs PRODUCT NAME COIL TYPE IGNITION STYLE EXTERNAL IGNITION FIRE METHOD DUAL IGNITION TYPE ELECTRONIC COLOR/FINISH BLACK ELECTRICAL RESISTANCE 3.0 OHMS OUTPUT VOLTAGE 30.000 V INPUT VOLTAGE 12 V Features Improves overall performance including starting, stops high-speed misfires and increases mileage 30,000V output Peak spark voltage increases by at least 20%