NE Brand / D&K Brand Viton Honda valve stem seal. These fit on few different Honda's from the 70's & 80's including the CB750 from 1969-1978. Check the list below and check the OEM part number to make sure.
Equivalent to Honda OEM part numbers: 12209-300-000, 12209-300-003, 12209-300-005, 12209-300-010
Fits Honda:
XL175 K1 K2 - 1973-1979 - 2 Seals
CM250TB Custom - 1981 - 2 Seals
CX500 - 1978-1979 - 8 Seals
CX500C Custom - 1979-1982 - 8 Seals
CX500D Deluxe - 1979-1981 - 8 Seals
GL500 Silver Wing - 1981-1982 - 8 Seals
GL500I Silver Wing Interstate - 1981-1982 - 8 Seals
CX650C Custom 650 - 1983 - 8 Seals
GL650 Silver Wing - 1983 - 8 Seals
GL650I Silver Wing Interstate - 1983 - 8 Seals
VT700C Shadow 700 - 1984-1985 - 6 Seals
CB750A Hondamatic - 1976-1978 - 8 Seals
CB750F Super Sport - 1975-1978 - 8 Seals
CB750K 750 Four K - 1969-1978 - 8 Seals
VT750C Shadow 750 - 1983 - 4 Seals
GL1000 Gold Wing - 1978-1979 - 8 Seals
GL1000L Gold Wing - 1976 - 8 Seals
CBR1100XX Blackbird - 1997-1999 - 16 Seals