8-pin Deutsch connector. Used in combination with the OEM HD ignition system. The system must mount externally and lets you control advance curves by using 4 preset modes and the R.P.M. limiter lets you choose from 4 R.P.M. limits from 6000 to 7500. A built-in timing light is used for static timing. Can be wired for dual or single fire operation. 96-99 Softail 96-98 Dyna 94-98 FLT 94-97 XL (NU)