Daytona Twin Tec DTT-1008 Ignition Module w/Two Plugs for Twin Cam 99-03 w/Carburettor1008 TC88 Ignition Race Twin Cam 1999 2003 Direct fit for: All 1999 2003 Carbureted Twin Cam 88 Engines The EX version of this product (1008 EX) is emissions legal the difference between the two products is that this version of the product has advance curves with a slightly larger adjustment range and it not been tested for emissions compliance. NOTE: 1998 2003 Sportster 883 1200 requires ignition module pn 1005S EX. If you have a Sportster 1200S with