Kuryakyn 1067 Shift Linkage Extension Kit Kuryakyn's new Shift Linkage Extension Kit makes it possible to use all Kuryakyn themed linkages or most any standard shift linkage on bikes equipped with extended controls. The kit includes 1-1/2" and 2-1/2" extension adapters which can be used independently or threaded together for up to 4" of extension. Can be used to extend any shift linkage with 5/16"-24 right-hand threaded ends. Note: It is the installer's responsibility to ensure that all of the fasteners (including pre-assembled) are tightened before operation of the motorcycle. Kuryakyn will not warranty components lost due to improper installation.