Are excellent for gas leakage efficiency in the cylinder, oil permeability, cooling capability and the shock absorbing ability of the piston. In consequence, it can attain high efficiency combustion. Piston rings are used on pistons to maintain gastight seals between the pistons and cylinders, to aid in cooling the piston, and to control cylinder wall lubrication.
We can produce any sizes and styles as your requests, welcome OEM & ODM.