Daytona Twin Tec DTT-3005 Nose Cone Ignition Module Kit for Big Twin 70-99/Sportster 71-973005 Internal Ignition Kit 1970 1999 Evolution, Sportster and Shovelhead. Direct fit for: 1984 1999 Evolution Big Twin 1971 1997 Sportster 1970 1984 Shovelhead 2000 2009 Buell Blast Single Cyl minor mod required, see tech note This ignition module works in all HD Shovelhead and Evolution engines built from 1970 1999. With the exception of the: 1998 2003 Sportster 883 1200, which uses pn 1005S EX. Note: If you have a Sportster 1200S with Dual Plug