CLUTCH PINION FOR CHAINSAW GGP STIGA CASTELGARDEN ALPINA + CAGE FOR MODELS: 45, 40, 49 DIMENSIONS: (A) HOLE: 16 MM (B) OUTER DIAMETER: 67 MM (C) INNER DIAMETER: 63 MM INCH PITCH: 325" N TEETH: 7 CODE: 656068 ORIGINAL CODE: 106658X HUSQVARNA VR