Features: 1.Replace Part: According to the original specifications, reference OE number is 13101?ZH8?010, 13010?ZF1?023 to assist you find exactly what you need. 2.Ideal Fitment: The repairing kit is a perfect replacement for GX160 GX200 168F 5.5HP 6.5HP 2?3.5kw 4?Stroke Gasoline Generator Trimmer Engine Motor. 3.High Quality Materials: Manufactured by premium paper, metal and rubber materials with stable performance and high reliability, have a longer service life. 4.Easy to Install: Specially designed according to the original standard for perfect match, you can directly replace the original one to save your time. 5.Stringent Manufacturing: The engine rebuild piston kit is built to OEM specifications, designed to have the same form, fit and function as OEM original. Specification: Item Type: Engine Rebuild Piston Kit_x000D_ Material: Paper + Metal + Rubber_x000D_ OE Number: 13101-ZH8-010, 13010-ZF1-023_x000D_ Piston Diameter: Approx. 68mm/2.7in_x000D_ Pin Diameter: Approx. 18mm/0.7in_x000D_ Oil Seal Size: Approx. 25mmx41mmx6mm/1.0x1.6x0.2in_x000D_ Fitment: Replacement for GX160 GX200 168F 5.5HP 6.5HP 2-3.5kw 4-Stroke Gasoline Generator Trimmer Engine Motor PackageList: 7 x Gasket 5 x Washer 1 x Oil Seal 1 x Pin 1 x Piston 2 x Ring Note: 1. Please double check the part number of your item, matching information is for reference only._x000D_ 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!