This is a 5-pack of new transmission mainshaft bearing nut lockwashers / lock tabs for many 1940-1984 Harley big twin 4 speed models, including knuckleheads, panheads and shovelheads.  They fit all Harleys that use HD part # 35050-40 and are sold by the HD part #.  Below is a list of models these MAY fit but confirm fitment for your bike using your OEM parts manual. 

This is the best delivered buy-it-now price on this part on eBay.   Add this listing to your watch list and check around to confirm.  Thank you!

1965 - 1980Harley-Davidson1200 Electra Glide FLH
1979 - 1980Harley-Davidson1200 Fat Bob FXEF
1977 - 1979Harley-Davidson1200 Low Rider FXS
1971 - 1978Harley-Davidson1200 Super Glide FX
1974 - 1980Harley-Davidson1200 Super Glide FXE
1983Harley-DavidsonDisc Glide FXDG
1958 - 1964Harley-DavidsonDuo Glide FL
1958 - 1964Harley-DavidsonDuo Glide FLH
1981 - 1982Harley-DavidsonElectra Glide Classic FLH
1965 - 1980Harley-DavidsonElectra Glide FL
1978 - 1984Harley-DavidsonElectra Glide FLH
1981Harley-DavidsonElectra Glide Heritage FLH
1984Harley-DavidsonElectra Glide Special FLHX
1980 - 1982Harley-DavidsonElectra Glide Sport FLHS
1979 - 1981Harley-DavidsonFat Bob FXEF
1985Harley-DavidsonFat Bob FXEF
1948Harley-DavidsonFL
1949 - 1957Harley-DavidsonHydra Glide EL
1949 - 1951Harley-DavidsonHydra Glide FL
1953 - 1957Harley-DavidsonHydra Glide FL
1936 - 1947Harley-DavidsonKnucklehead EL
1941 - 1947Harley-DavidsonKnucklehead FL
1979 - 1982Harley-DavidsonLow Rider FXS
1983 - 1985Harley-DavidsonLow Rider FXSB
1980 - 1982Harley-DavidsonSturgis FXB
1979 - 1984Harley-DavidsonSuper Glide 80 FXE
1980 - 1984Harley-DavidsonWide Glide FXWG