S&S HI-4N Performance Ignition Kit for 1984-'99 HD Big Twins.

Wanting more ignition timing adjustability? Check out this ignition. Every S&S product is made from quality materials in the USA. 

Features:

• Updated version of the popular Crane HI-4 ignition
• More power than the stock ignition
• 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
• Convenient cable notch in the housing makes installation easier and prevents damage to the cable
• Sensor and magnet housings are built into the all-metal back plate to protect the sensors from damage during installation
• 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
• All electronics are mounted directly to the metal housing, which acts as a heat sink
• Four rotary switches for ignition mode selection, advance rate, and rev limit
• Switches provide accurate, repeatable settings
• Includes ignition module, S&S ignition coil and correct-length spark plug wires
• Not for fuel-injected models

Note: Not legal for sale or use in California on any pollution controlled motor vehicles