1Made of premium aluminum material, with high hardness and good strength. 2This generator piston kit fits for 168F-5.5 or 168F-1 or GX160, perfect fitment. 3The piston kit is not easy to break, durable in use and has long service life. 4Widely used in agriculture, fishery, animal husbandry, aquaculture, forestry, etc. 5Practical gasoline generator piston assembly kit, simple installation and easy use. Condition: 100 percent Brand New Item Type: Piston Assembly Material: Aluminum Fitment: Fit for 168F-5.5 or 168F-1 or GX160 Hole Diameter: Approx. 1.8cm or 0.7in Product Size: Approx. 6.8 x 5.4 cm or 2.7 x 2.1 in Weight: Approx. 236g or 8.3oz 1 x Piston 5 x Piston Ring 2 x Clamp Spring 1 x Pin Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.