1. material can sure the durability and stability of the product, with good sealing
2. When the axial clearance of the gas ring is greater than 0.13mm, you should replace the piston ring
3. Professional design and reasonable structure, easy to install and disassemble
4. The piston ring outer/inner diameter is 54/48mm, which is convenient to replace the damaged one
5. Suitable for cylinder diameter 51mm, cylinder 51mm, 1.1/1.5KW motor, 0.12/0.17 air compressor and air pump

Spec:
Item Type: Piston Ring
Model: 51 Piston Ring
Drive Mode: Pneumatic
Piston Ring Outer Diameter: Approx. 54mm / 2.1in
Piston Ring Inner Diameter: Approx. 48mm / 1.9in
Cylinder Diameter: Approx. Approx. 51mm / 2in
Applicable : Cylinder diameter 51mm, cylinder 51mm, etc. 1.1/1.5KW motor, 0.12/0.17 air compressor air pump accessories
Description: [51 Piston Ring] The number 51 means that the cylinder diameter is 51mm

Package List:
3 x Piston Ring