S&S Cycle HI-4N Ignition Module Kit – 1970-99 Harley-Davidson Big Twins

HI-4N Performance Ignition Kit with HI-4N Ignition, Single-Fire Coil, and 8.8mm double silicone, premium quality spark plug wires for 1970-1999 Big Twins. See Additional Information for fitment.

• 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
• Made in the U.S.A.
• Not for fuel-injected models

Note: There are no returns on carburetors, electrical items, full frames, hardtails or made-to-order items (such as magnetos) unless there is a manufacturer’s defect.