The most reasonably priced component used on the Cn250 Helix 1999 (x) Italy Cylinder Head is the Screw,cross 5x28.
The Washer Seal 8mm is the most widely applied product in the CN250 HELIX 1999 (X) ITALY CYLINDER HEAD ( four times ).
Of all the components used in this assembly the Head Comp,cyln. is the most expensive.