S&S Cycle HI-4N Ignition Module Fits Harley-Davidson Big Twin Sportster 1970-1999
A genuine S&S Cycle hi-4n ignition module for the host S&S Cycle application. This ignition module fits the following Harley-Davidson Big Twin and Sportster XL models without fuel injection.
Key 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
Technical Specifications
- Unit of Measure: Each
- Country of Origin: United States
- Application: HI-4N Ignition Module
Fitment Notes
- This ignition module fits the following Harley-Davidson Big Twin and Sportster XL models without fuel injection.
- Not affiliated with or endorsed by Harley-Davidson.





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