The C.d.i. Magneto is made up of components including this Rotor Assy which is the most expensive.
The most reasonably priced component used on the 150g Pro V 1988 C.d.i. Magneto is the Washer, Plain (646).
The twenty-two 150g Pro V 1988 C.d.i. Magneto component parts are all listed in this schematic.