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 PART #550-0501 includes HI-4N ignition module only for Harley-Davidson Electra Glide Classic FLHTC 1983-1998 for Harley-Davidson Electra Glide FLH 1978-1984 for Harley-Davidson Electra Glide Sport FLHS 1980-1993 for Harley-Davidson Electra Glide Standard FLHT 1985-1995 Colour:As Shown Material:Metal+ABS Package Contents: 1 x Cycling Ignition Device