Description
If you’re running a carbureted Harley and want reliable ignition performance without the complexity of aftermarket electronics, the S&S CYCLE HI-4N delivers proven single-fire and dual-fire capability in one compact, heat-dissipating module. Built on the foundation of the respected Crane HI-4, this all-metal ignition system gives you more spark energy than stock while staying true to classic Harley simplicity. The enclosed electronics, advanced sensor design, and user-friendly controls mean you get consistent, repeatable ignition timing tuning without guesswork.
- All-metal housing construction
- Improved heat dissipation design
- Single-fire and dual-fire modes
- Four rotary mode switches
- Adjustable advance rate
- Programmable rev limit
- Flux concentrator sensor housings
- Samarium/cobalt magnets included
- Fully sealed electronics
- Vibration and moisture resistant
- Cable-notch housing design
- Ignition advance degree markings
- Direct metal heat sink mounting
- Includes S&S ignition coil
- Pre-cut spark plug wires
- Rotor with bolt and washer
- Bolt-on installation
- Carbureted models only
- Made in the U.S.A.
- MPN: 550-0502






