The Cylinder Block assembly is constructed from several parts from which the Block Comp.cyln. is the most expensive.
The most reasonably priced component used on the Cx500 1978 England Cylinder Block is the Screw,tapping 4x8.
Parts such as the Cylinder Block: Bolt,flange, 6x32, O Ring 23x2.8, Washer,10mm, Bolt,flange,6x20 are included in the Cx500 1978 England Cylinder Block parts fiche.