The most expensive part in this assembly is the Case,air Cleaner.
The Bolt Flange 6x60 is the cheapest item from this partsfiche.
Parts such as the F-21 Air Cleaner: Filter,dlain Tube, Packing,cleaner, Nut,tool Box Set., Case,air Cleaner are included in the Gl1100 1981 (b) Canada F-21 Air Cleaner parts fiche.