S&S Hi-4N Ignition Module Single Fire Upgrade Crane HI-4 Harley Big Twin 70-99

IN BRAND NEW CONDITION

PART # 550-0501

DRAG PART # 2101-0345

TUCKER PART # 492382

Fits: 1970-1999 Harley-Davidson EVO & Shovelhead Big Twin Engines

• More power than the stock ignition
• Single-fire function
• 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 only
• Require timing rotor OEM # 32402-83 (not included)
• Made in the U.S.A.

1970-1999 Harley-Davidson EVO & Shovelhead Big Twin Engines