Piston rings look like simple pieces of metal. But they're the lifeblood of the ICE process, honed through decades of research. Piston rings are the reason internal combustion engines can exist.

Piston rings are used for sealing cylinders. They can work at higher temperatures than elastomeric, fabric, or polymer seals. Piston ring seals are very important for the efficient performance of ...

Reducing internal engine friction is Federal-Mogul's goal and, with its CarboGlide piston ring coating, the company seems to have mastered the art of making metal slippery. According to Federal ...

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