I got these parts from mercstuff.com.It looks like the GLM 21750 set screw is backordered but here is an equivalent from Sierra:https://amzn.to/3mwBgDnFor the bushing kit by Mercruiser (probably better than the GLM kit I used)https://amzn.to/3JneeIf#605BOLT #Mercruiser #AlphaOneGen2 toolsHow do I change my Alpha 1 Gen 2 water pump,