2-stroke lawn mower grass trimmer cylinder piston accessory kit fit for 40-5/44-5/430/520Feature:1. The high-quality material provides excellent tolerance and breaking stress under adverse environmental conditions.2. Easy installation, reliable quality for stable and excellent performance.3. A wonderful replacement for an old or damaged piston, a perfect fit.4. This is the perfect piston and cylinder that fits 0-5/44-5/430/5205 lawn mower. Exquisite workmanship, helping you better control your remote mower. Specification:Item Type: PistonMaterial: Aluminum Alloy Power Type: Gasoline/Natural Gas Cutting Type: Metal Straight EdgeFeatures: 2-stroke, Single CylinderModel: IE40-5F/44-5/430/520Mounting: Fit for 40-5/44-5/430/520Piston Diameter: Approx. 40mm/1.6inPiston Height: Approx. 40mm/1.6inPiston Pin Diameter: Approx. 10mm/0.4inPiston Pin Length: Approx. 33mm/1.3inList Packing:2 x Fastener 2 x Ring 1 x Piston 1 x Cylinder 1 x Pin 1 x Paper