Item Type: Cylinder Kit Material: Aluminum Alloy + Iron + Rubber Color: As shown in the picture Cylinder Bottom Hole Diameter: Approx.54mm / 2.13in Weight: Approx. 1060g / 37.4oz Application: Suitable for Stihl MS660 066 chainsaw 1As the universal cylinder piston assembly and complete set of accessories, they are fit for Stihl MS660 066 Chainsaw . 2The perfect accessories for garden tools can effectively extend the service life of the machine. 3Professional manufacturing and superb craftsmanship help to provide the best performance. 4High quality materials, cylinder and piston kits are durable, wear resistant, long service life. 5Easy installation, stable performance, a direct replacement for the old and broken one.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 Cylinder 1 x Piston Kit(6pcs) 1 x Relief Valve 1 x Filter Element 1 x Sparking Plug 1 x Bearing 1 x Fuel Filter 2 x Oil Seal 4 x Fuel Line 3 x Gasket