Description
This air compressor piston ring uses standard inner diameter and outer diameter sizes, installation and disassembly..FOR MAINTAIN THE AIR TIGHTNESS: The function of the piston ring is to maintain the air tightness between the piston and the cylinder wall. The surface has no casting defects such as cracks, pores, looseness, etc., ensuring tight connection..[Purpose of use] The function of the piston ring is to maintain the air tightness between the piston and the cylinder wall..The surface of this piston ring is not casting defects, such as cracks, pores, loose, etc., ensuring tight..INFORMATION OF PRODUCT: The piston ring outer diameter is 58mm / 2.3in. The piston ring inner diameter is 52mm / 2in.