Piston rings have small gaps that allow them to expand during engine operation. If these gaps line up, fuel and gases can escape into the crankcase, causing loss of power and increased oil consumption ...

Most of us consider piston rings little more than a necessary evil. That's probably because grinding rings is a time-consuming chore. And who hasn't accidently ground a gap too large and wasted both ...

When building an engine, it's understandable how the sight of all those parts laid across the workbench can be a bit intimidating to most novice engine builders. After having the block freshly ...

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 ...

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 ...