Of all the components that make up this Air Cleaner the Screw has the lowest price.
Parts such as the Air Cleaner: Gasket, Cap (mca), Gasket,carburetor (nas), Filter, Lock Washer are included in the Gp100u 1979 (n) (e01 E02 E06 E13 E14 E24 E30) Air Cleaner parts fiche.
Check out any of the twenty-four Air Cleaner components enlisted.