A Piston Guide Ring helps to guide the piston as it moves up and down in the cylinder bore. It is designed to provide a smooth and accurate movement of the piston. It is made up of plastic.Attributes:● Provides excellent resistance against corrosion● Provided with a 40% angle split for the ease of assembly● Manufactured to precise specifications and is durable and reliableApplications:A Piston Guide Ring provides movement of the piston.