Genuine Honda petcock joint nut gasket for the CB350, CB450 & others. This gasket goes inside the joint nut that attaches to the gas tank, it's a flat o-ring. If you've got an original petcock that can be rebuilt, make sure to clean every passage way thoroughly to let the gas flow freely. It's great to re-use the stock part when it's serviceable.
Honda Part Number: 16956-283-000
Fits on Honda Part: 16950-292-000 (petcock)
Fits Honda:
CL175K Scrambler - 1970-1973
CL200 Scrambler - 1974
MR250 - 1976
CB350K - 1968-1973
CL350K Scrambler - 1968-1973
CB350G - 1973
SL350 - 1969-1973
CB360K - 1974
CB360G - 1974
CB360T - 1975-1976
CL360K Scrambler - 1974-1975
CB450K - 1965-1974
CL450K Scrambler - 1968-1974
and others. . .