Compu-Fire CF-30640 Ignition Coil Black for Big Twin 70-99/Sportster 71-03 Models w/Upgraded Single Fire Ignition

Features & Benefits:-

* High Output 3 Ohm Single Fire Coil at 50,000 Volts

* Compatible with most aftermarket Performance single fire ignitions

* Fits OEM Coil bracket and re-uses OEM cover for most applications

Tech Tips:-

* Single fire ignitions eliminate the backfire problem and enhances idle quality. The single fire ignition uses separate coil windings and electronics to fire each spark plug independently. Spark firing occurs only on the compression stroke. Conv ersion of older carbureted Harley-Davidson® engines to single fire is highly recommended.