Feature:1. [Perfect Fitment] Designed for Husqvarna 55 51 chainsaw, this Cylinder piston gasket set can highly match the original garden chainsaw equipment.2. [Kit Content] Cylinder x 1, piston x 1, piston ring x 1, piston pin x 1, piston circlip x 2, spark plug x 1, black long screw x 3, black nut x 2, paper gasket x 1, gasket x 1, needle bearing x 2, silver screw x 1, accessory x 4, carburetor x 1.3. [Excellent Compatibility] Garden tool chainsaw accessory, good compatibility, stable performance, install according to the corresponding appropriate model.4. [Long Term Use] This chain saw accessory is made of high quality aluminum material, which has good durability and stability, corrosion resistance, and long term use.5. [Chain Saw Accessories] Practical garden chain saw accessories, which can effectively extend the service life of the machine and improve work efficiency and performance.Specification:Item Type: Chainsaw AccessoryMaterial: AluminumWeight: Approx. 906g / 32ozFitment: Fit for Husqvarna 55 51Purpose: Electric ChainsawDiameter: Approx. 46mm / 1.8in.Package List:1 x Cylinder1 x Piston1 x Piston Ring1 x Piston Pin2 x Piston Circlip1 x Spark Plug3 x Black Long Screw2 x Black Nut1 x Paper Gasket 1 x Gasket2 x Needle Bearing1 x Silver Screw4 x Accessory 1 x CarburetorNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.