permatex [blue] sounds good to me,,but spead[smear ] sparingly ,,thats been a ggod choice for autos and bikes for years,,you have the black and orange for high heat for headers,manfolds ect,,,,but dont run a big bead ,,dont want any fall off inside,,,,and its affordable,,,I havent swapped out my clutches on this bike,,,so others who have may have a different or betterr product to use,,,,thats one thing That is nice about this board is the help given and bounceing ideas off each other,,,,,,,