Cylinder Assembly / Husqvarna 503 62 64-73Pack Size:1Husqvarna 503 62 64-73, Husqvarna 503 62 64-72, Husqvarna 503 93 93-72Ahlborn PS372, Ahlborn FOR-6005, HL Supply H30371Husqvarna 362, 371 and 372 chainsawsBore: 50 mm, Coating: Chrome, Includes: Piston, rings, pin and clips, Ethanol: Not compatible with greater than 10% ethanol fuel