Seals for that shift shaft in many cases are involved with Mercury equipment housing kits such as the 1 we used in the video down below, which also came with input and output seals for that lower unit, in addition to a new gasket for the shift shaft housing. Is https://kameronhtcxf.arwebo.com/54352038/lower-unit-boat-motor-repair-can-be-fun-for-anyone