General description The Cylinder Piston Kit is an easy-to-install assembly designed for Ms661 chainsaws. Made from high-quality aluminum alloy, this kit offers durability and reliability, making it an excellent choice for garden tool replacement parts. Technical specifications Item Type: Cylinder Piston Assembly Material: Aluminum Weight: Approx. 1081g / 38.1oz Diameter: 56mm / 2.2in Usage Easy to install and use, following routine operations to enhance working efficiency. Perfect for replacing broken or aging parts; ensure installation according to the appropriate diameter. Other information Package List: 1 x Cylinder, 6 x Piston Assembly