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0605phr 06 Cast Piston Z

Although the base material is not quite as strong, a cast piston can make up some of the difference between it and a forged piston by virtue of being able to place the material in structurally more favorable locations. Here, cast-in struts support the pin area and the skirt. In many other areas, this cast piston is usefully thinner than its forged counterpart.
Bottom-End Basics -- Technical Article -- Popular Hot Rodding

Although the base material is not quite as strong, a cast piston can make up some of the difference between it and a forged piston by virtue of being able to place the material in structurally more favorable locations. Here, cast-in struts support the pin area and the skirt. In many other areas, this cast piston is usefully thinner than its forged counterpart.  View Related Article

 

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