The Twisted ShifterZ 15 Speed Super Kit is a comprehensive solution for Eaton Fuller Shifter 15 Speed and other LL Styles. This kit includes an adapter installed on a new Eaton Fuller Shift Valve, replacing older 'D' shaped handle setups and current 'sloped' type handles. Sold individually, it fits most makes and models. Additionally, most Twisted ShifterZ Shift Knobs require a new adapter, which can be reviewed by clicking on the provided link. Upgrade your shifting experience with this practical and versatile kit.