The Civic 1978 3dr1200 (ka) Vacuum Booster ('78-'79) consists of twenty pieces with the Master Power Assy being the most expensive.
A sample from the products for the Vacuum Booster ('78-'79) include: Master Power Assy, Packing M/c Stay, Connector, Rubber, Master Power Tube Clamp.
The most reasonably priced component used on the Civic 1978 3dr1200 (ka) Vacuum Booster ('78-'79) is the Spg/washer,6mm.