730603 Fits 2004 Thru 2006 Carburetor Equipped Sportster Models

The Dynatek DSPT-1 digital performance ignition is a top-tier upgrade for Sportster models, bringing modern electronic precision to your V-twin. This single fire unit is fully programmable, allowing you to dial in the ignition timing to suit your specific riding style. It features 16 selectable advance curves and 8 rev limiter settings, all easily adjustable via rotary switches on the unit. Designed for full digital accuracy, it is J1850 compatible and works seamlessly with all stock devices. Whether you are running a stock coil or a high-performance version under 1 Ohm, the DSPT-1 monitors current to ensure a constant, powerful spark. It utilizes your factory sensors and connectors for a straightforward installation, and even includes built-in reverse battery and spike protection for long-term reliability.