S&S CYCLE - 550-0501 - HI-4N Ignition Module - Harley Davidson
The S&S CYCLE 550-0501 is a hi-4n ignition module - harley davidson engineered for street applications where fit, function, and build quality are the baseline expectation. Single-fire and dual-fire function built into a single module. All-metal housing provides improved heat dissipation, giving you a level of quality that holds up across the full service life of the component. Ignition advance and timing degree markings are on the metal flange. Sensor housings contain advanced flux concentrators with high-temperature-resistant samarium/cobalt magnets for accurate, reliable ignition triggering. Electronics are fully enclosed to resist vibration, moisture and dirt. For riders who know the difference quality components make, the 550-0501 is the right call. Sold individually.
Features
- Single-fire and dual-fire function built into a single module
- All-metal housing provides improved heat dissipation
- Ignition advance and timing degree markings are on the metal flange
- Sensor housings contain advanced flux concentrators with high-temperature-resistant samarium/cobalt magnets for accurate, reliable ignition triggering
- Electronics are fully enclosed to resist vibration, moisture and dirt
- Four rotary switches for ignition mode selection, advance rate, and rev limit
- Made in the USA
- Not for fuel-injected models
Specs
- Color/Finish: Gray
- Riding Style: Street
- Features: Programmable
- Units: Each
- For Make: Harley Davidson®
- Product Name: Ignition Module
Frequently Asked Questions - S&S CYCLE - 550-0501 - HI-4N Ignition Module - Harley Davidson
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.