Cycle X Tach Plugs

Maybe you knew this...maybe you didn't...but here it is...
The tach plugs that you have gotten from other vendors don't plug the leak from the tach hole in the valve cover.
This is was such a no-brainer solution to a simple problem, we're surprised nobody else has done it.
These plugs also works on:
1975-1982 CB750F Super Sport
1969-1982 CB750K
1980-1982 CB900C Custom
1981-1982 CB900F Super Sport
1976-1977 CJ360T
1968-1972 CL350K Scrambler
1974-1975 CL360K Scrambler
1978-1979 CX500
1979-1982 CX500C Custom
1979-1981 CX500D Deluxe
1983 CX650C Custom
1982-1983 FT500 Ascot
1981-1982 GL500 Silver Wing
1981-1982 GL500I Silver Wing Interstate
1983 GL650 Silver Wing
1983 GL650I Silver Wing Interstate
1984 VT500FT Ascot
1973-1975 XL175K