Specification: Item Type: Air Compressor Piston Material: Aluminum Purpose: Piston air compressor, air pump piston Length: Approx., 63mm / 2., 5in Diameter: Approx., 80mm / 3., 1in Aperture: Approx., 15mm / 0., 6in Package List: 1 x Air Compressor Piston MATERIAL: This air compressor piston is made of aluminum material, it has good heat dissipation performance. Connecting Rod Piston Accessories Piston Type Air Compressors Connecting Rod, Easy To Use Practical Strong Aluminum Rod Lightweight For Pump Accessories Mechanical Piston Replacement This is air compressor piston, used on the engine of the air compressor. Great replacement for old or damaged air compressor piston. View All Connecting Rod – Everest Forging Add to cart K-0650 Air Compressor Cylinder Sleeve and Compression Ring Replacement Kit Perfectly Fits for Craftsman DeVilbiss Porter Cable Air Compressor Cylinder 100 bought in past month Add to cart YWBL-WH Air Compressor Piston,Connecting Rod Aluminum Piston Ring Oil and Gas Ring Air Pump Parts 47mm Diameter [Mechanical function]: After heat treatment and quenching, it has excellent comprehensive mechanical properties. After heat treatment and quenching, it has excellent comprehensive mechanical properties.