The KOYO Crankshaft Main Bearing for KAWASAKI and SUZUKI engines is manufactured to the highest OEM standards. Constructed from top-quality materials, these bearings ensure durability and a perfect fit for both OEM and aftermarket crankshafts. The 63/22C3 model is specially designed to deliver excellent performance, reduce engine friction, and extend the life of your crankshaft. Whether you're upgrading or replacing worn parts, KOYO's precision engineering guarantees reliability and optimal performance for your motorcycle. Ideal for enthusiasts and professional mechanics alike, these bearings are an essential component for maintaining the integrity and efficiency of your engine.