Fits Models: Stihl 066 and MS 660 chainsaws
Specifications: Ethanol: Not compatible with greater than 10% ethanol fuel Ethanol Not compatible with greater than 10% ethanol fuel
Additional Information: Use with 632-502 Cylinder Assembly 632-502 Cylinder Assembly, Contains 485-779 Muffler Gaskets 485-779 Muffler Gaskets, Contains 623-267 Base Gasket 623-267 Base Gasket
