It is a sectional CAD model of an engine block .The block has two cylinder banks forming a “V” angle.It is an SLDPRT file (.SLDPRT) created in SolidWorks.At the top there are funnel- or cone-shaped channels, typical of intake or cooling passages that connect the cylinder head with the engine block.
SLDPRT (SolidWorks, filesize: 573 KB), OTHER (Other, filesize: 573 KB)