Windsor Clutch Spur Sprocket Drum Fits Solo 70 chainsaw New (WSS)
Windsor .404" 7-tooth clutch spur sprocket drum fits solo 70, 70A, 70B chainsaws. Part number: SO 51 B 7 New old stock part from closed out dealer.
GB SO366-J7N .325-7 Clutch Spur Sprocket Drum Fits Solo 639 Chainsaw (Sprocket Box E)
GB SO366-J7N .325" 7-tooth clutch spur sprocket drum fits solo 639, 644, 645 chainsaws. New old stock part from closed out dealer.