Cylinder Assembly / Husqvarna 506 15 55-06Pack Size:1Husqvarna 506 15 55-06HL Supply H30950, Rotary 13015Husqvarna K950 cut-off saws, K950 ring and K950 chainsaws; Partner K950 cut-off saws, K950 ring and K950 chainsawsBore: 56 mm, Coating: Chrome, Includes: Piston, rings, pin and clips, Ethanol: Not compatible with greater than 10% ethanol fuel