- OEM Customers
- Applications, Rings & Materials
- Piston Rings & Sealing Rings
A Global Leader In
Piston Ring Innovation, Manufacturing & Engineering
Since 1929, Grover has delivered custom piston rings with materials and surface preparations specified to meet our customers’ specifications. Collaborative engineering and responsiveness are key factors to making us the most trusted brand in industrial piston rings. We are constantly innovating new ways to solve complex problems, reduce lead times and cut costs.
5-Step Proven Process
The Grover ExperienceFull Process Details
Listening & Learning
Highest Value Options
Piston Rings & Sealing Rings
As a global leader among piston ring manufacturers, we develop piston rings that are engineered to your exact specifications.
Our own proprietary process of ensuring that the shape of your rings is correct.
Double Seal Ring Co.
Double Seal was added to the Grover family line-up in 2005 and has been a trusted brand in the industry since 1912.
Grover has the broadest inventory of piston ring material to meet the changing demands of the industry. Grover’s materials are controlled for reliability, consistency and adhering to SAE specifications.
Grover uses material and surface treatments to meet your application needs. Mating surface, lubricating requirements, corrosion resistance, wear & friction reduction are evaluated to ensure customer satisfaction.