Of all the components used in this assembly the Option Kit Parts is the most expensive.
Parts such as the E-11-1: Gasket,float Cham, Jet,#130, Jet,slow,#45, Needle Set,jet are included in the Cr80rb 1998 He04-240 Japan (jdm) E-11-1 parts fiche.
Check out any of the twenty-three E-11-1 components enlisted.