In a conventional application, there are three rings per piston. The top ring is called the compression ring. Its purpose is to seal the combustion gas pressure, transfer heat from the piston to the ...

It's a well-known fact that piston ring gaps represent an area of pressure loss in a running engine. It has been found that minimizing end gap under operating conditions offers a measurable power ...

I was unwittingly amazed yesterday when I came across a video about how Clupet piston rings are made (and learned the word ‘Clupet’ at the same time). Unlike a car piston ring which is a single ring ...

Federal-Mogul Powertrain is the majority stakeholder and provides process technology and access to global customers. Federal-Mogul Powertrain has started a new plant in Changsha, China, producing ...

If asked what you wanted for piston rings in your engine build, would you know how to answer? Piston rings have the most important job in your engine. We will get arguments on this one because there ...

Pistons are an engine-building element we like to brag about, but you won't catch many of us boasting about having cast pistons. Cast pistons are for wimps. Many of us like to talk up hypereutectic ...