The Screw-flat,4x37 is the cheapest item from this partsfiche.
This Cylinder,master is the most expensive of the items that make up this Front Brake Master Cyl Cb750k/l 79-80 assembly.
This schematic depicts all components used in the Cb750l Limited 1979 (z) Usa Front Brake Master Cyl Cb750k/l 79-80 partslist.