Clutch Drum Spur Sprocket Needle Bearing for CS-370, CS-370F, CS-400, CS-400F.Replaces part numbers A556000400, A556000401, V555000170.Specifications: 3/8 inch pitch, 6 tooth.Includes 1 x clutch drum, 1 x needle bearing, and 1 x service card.Compatible with CS-370, CS-370F, CS-400 (3/8 inch only), and CS-400F.