These front pulley inserts (pulley NOT included) are for custom Evo and Twin Cam Softail frames designed for wide rear tire application. Use of these kits will allow you to offset the transmission and Ultima primary belt drive to the left at the same time for the necessary rear drive to wide tire clearance. By moving the transmission and primary drive to the left together as one unit, it helps to keep the engine and its weight as close to the centerline of the frame as possible. The removable steel inserts retain the full width spline to shaft contact for excellent power transfer. Designed for Ultima primary belt drive open primary application such as the 2 and 3.35 Evo and Twin Cam Softail Primary Belt Drives. Replacement part.
These front pulley inserts (pulley NOT included) are for custom Evo and Twin Cam Softail frames designed for wide rear tire application. Use of these kits will allow you to offset the transmission and Ultima primary belt drive to the left at the same time for the necessary rear drive to wide tire clearance. By moving the transmission and primary drive to the left together as one unit, it helps to keep the engine and its weight as close to the centerline of the frame as possible. The removable steel inserts retain the full width spline to shaft contact for excellent power transfer. Designed for Ultima primary belt drive open primary application such as the 2 and 3.35 Evo and Twin Cam Softail Primary Belt Drives. Replacement part.