Stihl 028AV WB Super Woodboss starter pulley drum Part # 1118-195-0400, 11181950400 New old stock part from closed out dealer.
Stihl sprocket clutch drum. Part #: 11211602911/1121-160-2911 New old stock part from closed out dealer. Fits Stihl MS260 MS261 MS270 MS280 with the oiler drive on the edge.