KOYO Main Crankshaft Bearings are manufactured with precision according to exact OEM criteria using the highest quality materials. They provide a perfect fit for both OEM and aftermarket crankshafts, ensuring optimal performance and durability for your Honda engine. With meticulous engineering, these bearings offer excellent reliability, helping to extend the service life of your engine while maintaining smooth operation under various conditions. Whether for restoration projects or regular maintenance, KOYO main crankshaft bearings guarantee a seamless fit and exceptional performance.