Cylinder Assembly / Stihl 1128 020 1227Pack Size:1Stihl 1128 020 1227, Stihl 1128 020 1226, Stihl 1128 020 1213Ahlborn FOR-6000, Ahlborn FOR-6105, HL Supply H30440Stihl 044 and MS440 chainsawsBore: 50 mm, Coating: Chrome, Includes: Piston, rings, pin and clips, Ethanol: Not compatible with greater than 10% ethanol fuel