Feature:1. Cylinder and piston kits are parts cast from special materials with good wear resistance and long service life.2. And these hardware parts are in compact structure and high hardness, easy to use in the practical life.3. General cylinder piston assembly and complete set of accessories are suitable for MS460, 046 gasoline chain saw4. Cylinder is made of die-cast aluminum and piston is made of aluminum material, which can work in high quality.5. Via craft by many experts, such cylinder and piston kits entitled with high performance according to strict rule.Specification:Item Type: CylinderCylinder Material: Die-cast aluminumPiston Material: AluminumCylindrical Pin Material: Alloy steelPiston Ring Material: Ductile ironCirclip Material: 65MnCylinder Coating: Chrome platingPiston Diameter: Approx. 52mm / 2inSpecifications: for MS460 cylinder assembly Package List:1 x Cylinder1 x Piston 1 x Cylindrical Pin 2 x Piston Ring2 x Circlip Note:Piston diameter is 52mm, please pay attention to the reference before buying.