CLUTCH PINION FOR CHAINSAW GGP STIGA CASTELGARDEN ALPINA + CAGE FOR MODELS: 154, 254, 262, 50, 51, 55 DIMENSIONS: (A) BORE: 16 MM (B) OUTER DIAMETER: 72 MM (C) INNER DIAMETER: 69 MM INCH PITCH: 325" N TEETH: 7 CODE: 656065 ORIGINAL CODE: 38071X HUSQVARNA VR