NE Brand / D&K Honda 30.8mm O-ring which was used on the tappet covers for the models listed below.
Sold as a set of 4
Inner Diameter: 30.8mm
Outer Diameter: 37mm
Thickness: 3.2mm
Equivalent to Honda OEM part number: 91302-001-020

Fits Honda:
CB350K - 1968-1973
CB350G - 1973
CL350 Scrambler - 1968-1972
SL350 Motosport - 1970-1972
CB360K - 1974
CB360T - 1975-1976
CB360G - 1974
CJ360T - 1976-1977
CL360 Scramber - 1974-1975