Piston rings are an essential part of modern vehicles, but modern brands have moved to using low-tension versions of them for ...

Engine building is technically a science, but the truth is that there is just as much art as there is science. Where most might think that the “art” part of engine building is in the design and ...

There's no need to sugarcoat what bad piston rings can do to your engine. Those rather thin cast-iron or steel rings may look small and irrelevant to untrained eyes, but they play a vital part in ...

The folks at TRW have come up with a revolutionary idea for reducing the piston ring drag of the top compression ring. It is called the Pressure Balance Ring (PBR). Essentially, the PBR design amounts ...