Cylinder
Block
The
cylinder block of an engine is a machined casting, or sometimes
an assembly of modules, which houses cylindrically bored holes
(oval holes on some vehicles, see Honda
NR750) for the pistons of an internal combustion engine.
The cylinder block is usually the largest single component
of the engine, and has mounting points where the various other
parts of the engine, like the cylinder head, crankcase and
engine ancillaries can be attached. It also has mounting points
for the engine mounts to attach it to the vehicles frame,
and internal passages for coolant and lubricants to pass through.
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