The Gasket Kit B assembly is constructed from several parts from which the Gskt.sheet Kit,b (nas) is the most expensive.
Some items from this specific schematic: O-ring,p7, O-ring,7x1.7, O-ring,5.5x1.4, Gasket,clutch Cov (nas).
Of all the components that make up this Gasket Kit B the Washer Seal, 6mm has the lowest price.