Cylinder blocks are integrated structures that comprise of cylinders of reciprocating

engines as well as their surrounding structures (Hoag, 2012). The terms engine block is normally

used synonymously with the term cylinder block. This forms part of the machine elements that

comprises of the various parts such as cylinder heads, intake passages, exhaust passages, coolant

passages and cylinders among others. These elements are all integrated together to form a very

important part of the engine.