CLUTCH PINION FOR GGP STIGA CASTELGARDEN ALPINA CHAINSAW FOR MODELS: P440, P480 DIMENSIONS: (A) BORE: 15 MM (B) OUTSIDE DIAMETER: 72 MM (C) INSIDE DIAMETER: 69 MM INCH PITCH: 325" NO. OF TEETH: 7 CODE:656161 ORIGINAL CODE: 83050001 GGP ALPINA STIGA CASTELGARDEN VR