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 ...

Friction is the enemy of speed. Whether it's rolling resistance or the wind flowing over the body at speed, racers work tirelessly to dispense it. The concept of friction may seem like an entirely ...

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 ...