Stens 085-2177 Pro Spur Sprocket Fits Stihl 1141-640-2001 MS271 MS291 by Stens $14.69 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Category Parts Type Sprocket Brand Stens MPN 085-2177 UPC 023899467662 PRODUCT DESCRIPTION DESCRIPTION Silver Streak Pro Spur Sprocket .325 Pitch, 7 Teeth FITS MODELS Stihl MS271 and MS291 chainsaws REPLACES OEM Ref No SST320-27N Stihl 1141 640 2001 SPECS Chainsaw Pitch .325" Teeth 7 Bearing included