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 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- /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 Glide Classic FLHTC 1983-1998 for Glide 1978-1984 for Glide Sport FLHS 1980-1993 for Glide Standard FLHT -1995 Colour:As Shown Material:Metal+ABS Package Contents: 1 x Cycling Ignition Device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.