Condition: Brand New_x000D_ Item Type: Piston Assembly_x000D_ Material: Aluminum_x000D_ Fitment: Fit for 190F/GX420_x000D_ Hole Diameter: Approx. 2cm / 0.8in_x000D_ Product Size: Approx. 9 x 6.7 cm / 3.5 x 2.6 in_x000D_ Weight: Approx. 448g / 15.8oz 1Made of aluminum material, high hardness, good strength and long durability. 2Practical high quality piston assembly kit, simple installation and easy use. 3Widely used in agriculture, fishery, animal husbandry, aquaculture and forestry. 4Gasoline generator accessories piston kit with stable performance and reliability. 5Reliable accessories for gasoline generator, a perfect replacement for the old one.1 x Piston5 x Piston Ring2 x Clamp Spring1 x PinPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.