S&S Cycle HI-4N Ignition Module for Harley Davidson 550-0501

The S&S Cycle HI-4N Ignition Module (Part Number 550-0501) delivers versatile ignition control for Harley Davidson motorcycles. This module features a unique single-fire and dual-fire function integrated into a compact, all-metal housing that ensures superior heat dissipation for reliable performance under demanding conditions. The rugged construction is designed to withstand vibration, moisture, and dirt, making it suitable for tough riding environments.
The ignition module includes clear, easy-to-read markings for ignition advance and timing degrees directly on the metal flange, allowing for precise adjustments to optimize engine performance. Advanced flux concentrators within the sensor housings utilize high-temperature-resistant samarium/cobalt magnets, ensuring accurate and reliable ignition triggering every time.
Equipped with four rotary switches, this module enables quick and easy selection of ignition mode, setting of advance rate, and rev limit adjustments—all crucial for customizing your motorcycle's performance. Made in the USA, this product is specifically designed for Harley Davidson models that are not fuel-injected, ensuring compatibility and optimal operation. Whether upgrading your existing ignition system or installing on a new build, the S&S HI-4N offers a blend of durability, precision, and ease of use for serious riders and enthusiasts alike.

Features:

• Single-fire and dual-fire modes integrated into one module for versatile ignition options

• All-metal housing provides enhanced heat dissipation for reliable operation

• Timing degree markings on the flange for precise ignition adjustments

• Sensor housings with flux concentrators and high-temperature samarium/cobalt magnets for accurate ignition triggering

• Fully enclosed electronics resist vibration, moisture, and dirt

• Four rotary switches allow for easy ignition mode, advance rate, and rev limit settings

• Made in the USA, designed specifically for non-fuel-injected Harley Davidson models