CLUTCH SPROCKET FOR GGP STIGA CASTELGARDEN ALPINA CHAINSAW + CAGE FOR MODELS: PR350, P34, 360, 370, 390 DIMENSIONS: (A) HOLE: 14 MM (B) OUTER DIAMETER: 60 MM (C) INNER DIAMETER: 57 MM INCH PITCH: 325 " N TEETH: 7 CODE:656035 ORIGINAL CODE: 4122070 GGP ALPINA STIGA CASTELGARDEN VR