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 ...

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 ...

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 ...

Kia is recalling over 137,000 vehicles due to piston oil rings that may have been manufactured incorrectly. This can result in a host of problems ranging from engine damage to a fire. The recall ...

Kia America has issued a pretty big and potentially expensive recall. As it happens, a little over 137,000 examples of the Seltos and Soul have been manufactured with iffy piston oil rings that may ...