The C.d.i. Pulser 81-85 assembly is constructed from several parts from which the Advancer,spark is the most expensive.
A sample from the products for the C.d.i. Pulser 81-85 include: Gasket,pulse Gen (nas), Oilseal, 13x22x5, Gasket,point (nas), Gasket,point Base (nas).
The most reasonably priced component used on the Atc110 1982 (c) Usa C.d.i. Pulser 81-85 is the Bolt,hex 6x14.