With a quantity of two pieces, the Bolt(6x20) is the most used part in the FUEL COCK diagram.
Of all the components used in this assembly the Cock Assy,fuel is the most expensive.
The most reasonably priced component used on the Ls650p 1989 (k) (e01 E02 E04 E15 E16 E17 E18 E21 22 24 25 34 39) Fuel Cock is the Bolt(6x20).