Of all the components used in this assembly the Gasket Kit A is the most expensive.
A sample from the products for the Gasket Kit A include: Seal Valve Stem, Gasket,ex Pipe (nas), Gasket,breather P (mca), O-ring,9.6x2.6.
The most reasonably priced component used on the Vfr750r Rc30 1988 (j) European Direct Sales Gasket Kit A is the O-ring,9.6x2.6.