What is this?
The piston ring and metal cylinder sleeve are good replacements for repairing the air compressor.

What will I get?
Ring Material: Plastic
Cylinder Sleeve Material: Metal
Ring Size: 68x48x0.8mm / 2.68"x1.89"x0.03" (Outer Dia*Inner Dia*Thickness)
Cylinder Sleeve Size: 69x63.7x24.5mm / 2.7"x2.5"x0.96"(Outer Dia*Inner Dia*H)
Package including: 1 x Piston Ring; 1 x Metal Cylinder Sleeve

Are there any advantages of the product?
The piston ring has good abrasion resistance, durable to use. Easy to install.
The black metal cylinder sleeve is practical to use, not easy to deform.

How to use it?
1.Dismantle the piston cylinder, and then remove the old piston ring; 2. Clean the piston cylinder and piston rod 3. Replace the old ring with new ring.

What should I notice?
Please check the inner dia., outer dia. and thickness of ring before ordering.