Replacement piston kit designed for 024 MS240 chainsaws compatibility with specifications 42mm bore size cylinder and piston set ideal for engine rebuilds and performance restoration Constructed from aluminum for improved heat dissipation and long-term Includes all necessary components such as piston, cylinder, rings, wrist pin, and gaskets for complete installation Suitable for use in forestry maintenance and residential cutting applications where engine is required, Manufacturer: faEHKMpxh