The Points / Advancer assembly is constructed from several parts from which the Advancer,spark is the most expensive.
With all the components that make up the CM185T TWINSTAR 1979 (Z) USA POINTS / ADVANCER assembly. The Screw Cross 5x12 is the most frequently specified with three applications.
The component with the lowest price in the POINTS / ADVANCER schematic is the Screw,cross,5x12.