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Upgrade your Harley-Davidson® with the S&S Cycle HI-4N Ignition Module Kit, part number 550-0502, designed for enhanced performance and reliability. This advanced ignition system provides more power than the stock ignition, making it ideal for riders seeking increased engine efficiency and responsiveness. The kit features a versatile single-fire and dual-fire function built into a single, durable all-metal housing that ensures superior heat dissipation and long-lasting operation. The integrated ignition advance and timing degree markings on the metal flange allow for precise adjustments, ensuring optimal engine timing for various riding conditions. A convenient cable notch in the housing simplifies installation and helps prevent cable damage during setup. The sensor and magnet housings are embedded into the all-metal back plate, offering protection against damage during installation. These housings contain high-temperature-resistant samarium/cobalt magnets and advanced flux concentrators for accurate and reliable ignition triggering, which translates to consistent engine performance. The electronics are fully enclosed within the housing to resist vibration, moisture, and dirt, maintaining functionality in demanding environments. All electronic components are mounted directly to the metal housing, which acts as a heat sink to keep temperatures stable during operation. The kit includes four rotary switches that enable precise selection of ignition mode, advance rate, and rev limit, providing customizable tuning options for your motorcycle. This comprehensive ignition kit also includes a high-performance S&S ignition coil and correctly sized spark plug wires, ensuring optimal spark delivery. Made in the USA, this kit is designed specifically for Harley-Davidson® models that are not fuel-injected, offering a straightforward upgrade path for riders seeking improved ignition performance and reliability. Installing this kit will enhance your motorcycle’s power output, throttle response, and overall engine efficiency, making it a valuable upgrade for both street and performance-focused riders.
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