Ultima Programmable Harley Single Fire Electronic Ignition Module
Wheels Ultima 48 Fat spoke. Fits 1970-1999 Big Twin & 1971-1985 All Xl, 1986-1987 XL 1100, & 1986-1993 XL 883 (mode switch position 9 can be used to set kickstart, single race advance curves w/o use of the UBS interface).