chain saw cylinder kits 1-OEM accepted 2-ST 066/660 3-HIGH QUALITY 4-LOW PRICE Cylinder kit for chainsawST 066 chain saw cylinder kit WITH PISTONS.SIZE:54MMWe have wide range of parts for different chainsaws PARTS, such as MS 170, MS 180, MS 210, MS 230, MS 250, MS 380, MS 381, HUS 137, HUS 142, HUS 365, HUS 61, HUS 268, HUS 272.. ST 066 CYLINDER KIT