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The S&S CYCLE HI-4N Ignition Module (Part Number 550-0501) is designed to enhance your Harley Davidson's ignition system with advanced features and reliable performance. This module offers both single-fire and dual-fire functions integrated into a single, durable all-metal housing that ensures efficient heat dissipation and long-lasting operation. The robust construction is built to withstand harsh riding conditions, providing consistent ignition performance. The module includes clearly marked ignition advance and timing degree indicators on the metal flange, allowing for precise adjustments tailored to your motorcycle's needs. Equipped with sensor housings containing high-temperature-resistant samarium/cobalt magnets and advanced flux concentrators, it ensures accurate and reliable ignition triggering for optimal engine performance. Fully enclosed electronics protect against vibration, moisture, and dirt, reducing maintenance and increasing durability. The module features four rotary switches that enable easy selection of ignition mode, adjustment of advance rate, and setting of rev limits, giving you customizable control over your motorcycle’s ignition parameters. Designed specifically for Harley Davidson models, this ignition module is made in the USA and is not compatible with fuel-injected models. Installation is straightforward for those familiar with motorcycle electrical systems, making it an excellent upgrade for riders seeking improved ignition reliability and performance.
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