Feature 1Cylinder piston assembly set, replacement number is 1127 020 1216, fit for STIHL 029 039 MS 290 310 390 chainsaws. 2The kit includes cylinder, piston assembly, crank bearing, needle bearing, air filter cover, fuel filter, oil seals and fuel pipe. 3Using high quality aluminum alloy, iron, rubber materials, durable, wear resistant, and long service life. 4Professional manufacturing, superb craftsmanship and high accuracy help to provide the best performance. 5Stable performance, can perfectly match your machine, prolong service life and improve work efficiency.Item Type: Chainsaw AccessoryMaterial: Aluminum Alloy, Iron, RubberWeight: Approx. 990g / 34.9ozApplication: For STIHL 029 039 MS 290 310 390 chain sawReplacement number: 1127 020 1216Cylinder Bottom Hole Diameter: Approx. 46mm / 1.8in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Cylinder1 x Piston Assembly (6Pcs)2 x Crank Bearing1 x Needle Bearing1 x Air Filter Cover1 x Fuel Filter2 x Oil Seals2 x Fuel PipeNote1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.