Clutch bell pinion ZENOAH ZOMAX RED MAX Chainsaw Bell: 77.50 mm Shank: 14.00 mm Height: 24.00 mm Pitch: 3/8 Number of teeth: 7 for models: G561AVS G621AVS GT556 Part No.: 001698 Original part No.: 32794XW ZOMAX KOMATSU RED MAX SR