The Nut,flange,6mm is the lowest priced item on this Intake Manifold schematic.
Some items from this specific schematic: Seal Ring,injector, Hose,fuel Return, Bulk Tube,ta 35x8, Bolt,flange,6x14.
With a quantity of seven pieces, the Nut,flange,8mm is the most used part in the INTAKE MANIFOLD diagram.