The Handlebar / Fork Top Bridge assembly is constructed from several parts from which the Bridge,fork Top is the most expensive.
Some items from this specific schematic: Washer (8mm), Washer,plain 8mm, Bridge,fork Top, Holder,upper.
With all the components that make up the CB750K4 FOUR 1974 USA HANDLEBAR / FORK TOP BRIDGE assembly. The Washer,plain 8mm is the most frequently specified with ten applications.