Get an in-depth profile of Nippon Piston Ring Co Ltd, including a general overview of the company's business and key management, as well as employee data and location and contact information. Nippon ...

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 ...

Ask any serious engine builder what makes a good engine a great one, and the answer likely will be "sealing." While the average guy thinks of sealing as either what kind of valve cover gaskets to use ...