HIPA 42.5mm Cylinder Assembly with Spark Plug Oil Fuel Line Filter Valve Vacuum Tube for STIHL 023 025 MS230 MS250 Chainsaw Fitment models: STIHL 023 025 MS230 MS250 chainsaw Cylinder diameter: 42.5mm Package include: 1pc cylinder, 1pc piston,2pcs clips, 2pcs rings, 1pc pin, 1pc oil line & filter, 1pc fuel line & filter, 1pc vacuum tube, 1pc spark plug