38mm & 37mm Bore Cylinder Piston Kit: Specifically designed to fit Stihl MS170, MS180, MS171, MS181, MS181C, and other compatible garden gas chainsaws. Durable Construction: Crafted from high-quality materials to ensure longevity and reliability. Scratch Protection: The contact parts of the kit are covered with soft EVA material, preventing scratches on your valuable chainsaw. Adjustable Compatibility: Suitable for both new and old models of the specified chainsaws. Note that the new MS180 and MS170 models use a single ring design, while the older models feature a double ring design. Easy Installation: Designed for straightforward assembly, making it convenient for users to install without professional assistance.
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