3005-IH - Special Kit for 1999-2003 American IronHorse® Motorcycles American IronHorse® motorcycles manufactured through 2003 used a non-adjustable camshaft sensor based ignition system manufactured in England by Gill. Twin Tec now offers the Model 1005-IH version of our proven internal ignition can be easily retrofit to 2003 and earlier American IronHorse® models. The Model 1005-IH has a special tach output that will correctly drive the American IronHorse® instrument cluster. Note: for 2004-2005 American IronHorse models with crankshaft position sensor, we recommend our TC88A-IH system. The P/N 3005-IH Kit includes the special Model 1005-IH ignition, timing rotor, VOES switch, two 3 ohm mini-coils that must be used to replace the existing low resistance Gill coils, and all required electrical terminals.