Item Type: Cylinder KitMaterial: Aluminum Alloy + Iron + PlasticColor: As shown in the pictureCylinder Bottom Hole Diameter: Approx.56mm / 2.20inReplace OEM: 1122 020 1211Weight: Approx. 1076g / 38ozApplication: Suitable for Stihl MS660 066 Magnum chainsaw1¡¢Chainsaw replacement parts for Stihl MS660 066 Magnum Chainsaw, Replace the part number of 1122 020 1211. 2¡¢Our replacement parts casted with Aluminum alloy, iron, plastic materials, high hardness and better wear & tear resistance. 3¡¢The perfect accessory for garden tools has better working power and can effectively extend the service life of the machine. 4¡¢Easy installation and assembly, stable performance, direct replacement of old or damaged parts. 5¡¢Professional manufacturing, superb craftsmanship and high precise craft help to provide the best performance.1. Please allow 1?2in 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.1 x Cylinder1 x Piston Set(6 pcs)1 x Intake Manifold1 x Bearing1 x Sparking Plug1 x Relief Valve2 x Oil Seal2 x Nut2 x Bar Stud1 x Short Bar Nut2 x Pawl1 x Thin Washer1 x Clip Spring