​Shock Absorber Seals and Piston Rings

Grover is a worldwide supplier in shock absorber applications. Our ability to work closely and seamlessly with engineers, supply chain management, assembly and logistics personnel has made us an industry leader for these applications.

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We're here to serve you and your specific needs.

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  • Butt Cut, Step Cut, Angle Step, Permaseal®, Cast Iron, High Temp Steel & Bronz
  • Diameter Size Range of .5″ up to 90″


  • Long life materials for high cycle applications
  • Friction reducing coatings to extend life
  • High Temp applications

We make a living by what we get, but we make a life by what we give.

- Winston Churchill

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To help you

Got a question for us, or wondering if we can meet your specific application needs?

Industries We Serve

Because every customer has different application needs, Grover provides the value-added service of customized programs uniquely suited to specific piston ring needs.

  • ​Automotive
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    ​Heavy Off-Road Vehicles
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    ​All Terrain Vehicles