The Air Distributor assembly is constructed from several parts from which the Distributor Assy. is the most expensive.
The most reasonably priced component used on the Gl1500a Goldwing Aspencade 1997 (v) Australia / Kph Air Distributor is the Spring,valve.
Some items from this specific schematic: Distributor Assy., Bolt,air Hose, O Ring, 7.8x2.2, O-ring Leveling.