Compatible with: 2003 GTX 4-TEC GTX 4-TEC Wake GTX 4-TEC LTD Supercharged GTX 4-TEC Supercharged Sportster 4-TEC 2004 GTX 4-TEC GTX 4-TEC LTD Supercharged GTX 4-TEC Special Supercharged GTX 4-TEC Supercharged GTX 4-TEC WAKE RXP Speedster 200 Twin 4-TEC Sportster 4-TEC 2005 Speedster 200 Twin 4-TEC Speedster 200 Twin 4-TEC SC Sportster 4-TEC Sportster 4-TEC SCIC 2005 GTX 4-TEC LTD SCIC GTX 4-TEC STD GTX 4-TEC Supercharged GTX 4-TEC WAKE RXP RXT 2006 Speedster 200 Twin 4-TEC SCIC TOWER Speedster 200 Twin 4-TEC SCIC WAKE Sportster 4-TEC SCIC Sportster 4-TEC Utopia 205 2006 GTX 4-TEC LTD GTX 4-TEC SC GTX 4-TEC STD 2006 GTX 4-TEC WAKE Islandia 220 RXP RXT 2006 Speedster 200 Twin 4-TEC NA Speedster 200 Twin 4-TEC NA TOWER Speedster 200 Twin 4-TEC NA WAKE Speedster 200 Twin 4-TEC SCIC