The most expensive part in this assembly is the Panel,flo*nh-158*.
Parts such as the Floor Step: E-ring,3mm, Bolt-washer,6x16, Mat,r.floor, Lid,fuel *nh-158* are included in the Cn250 Helix 1986 (g) Usa Floor Step parts fiche.
On this parts fiche the Screw,tap.,4x12 is the most specified component.