CPI Compression

Piston Rings and Rider Rings

Each piston and rider ring is specifically designed to meet your operating parameters. On-site blending and compression or injection molding helps us to maintain total control throughout the manufacturing process, resulting in better sealing, less wear and longer running life.


  • Provide excellent sealing capabilities
  • Piston support


  • Available in a variety of designs and materials to best suit your application requirements



Piston & Rider Rings FAQ.pdf