Forester 18" Bar and Chain Combo for Large Stihl Chainsaws .325 Pitch .063 Gauge mount Fits Stihl Models: 024, 026, 028, 029, Farmboss, MS240, MS260, MS280, MS290 Please make sure your Stihl saw is set up with .063 Gauge Chain. Especially the 290 Farmboss. Stihl D025 Mount Fits the MS conversions for each model.