CLUTCH PINION FOR POULAN CHAINSAW WITH CAGE FOR MODELS: P738 740 742 842 DIMENSIONS: (A) BORE: 9 MM (B) OUTSIDE DIAMETER: 66.5 MM (C) INSIDE DIAMETER: 63.5 MM INCH PITCH: 3/8" N TEETH: 6 CODE: 656120 ORIGINAL CODE: 530057905 POULAN VR