This STIHL cylinder and piston assembly is a perfect fit for your Stihl chainsaw. Made with high-quality materials, this 2-stroke engine type cylinder is compatible with gasoline power source and is designed to provide optimal performance. The package contains one cylinder and piston assembly, which is specifically designed for the Stihl Ts400 model. This product is perfect for those who want to enhance the performance of their chainsaw and achieve better cutting results. It is easy to install and use, and is compatible with all STIHL chainsaws. With this product, you can feel confident in your ability to handle any outdoor cutting task with ease.