KOYO Crankshaft Main Bearings are meticulously crafted following precise OEM standards using the highest quality materials. These bearings ensure a perfect fit with both OEM and aftermarket crankshafts, providing optimal performance and durability. KOYO's bearings are engineered for high efficiency, reducing friction and wear, thereby extending the life of your engine. Whether for a repair or an upgrade, rely on KOYO to deliver exceptional reliability and smooth engine operation. These bearings are designed to withstand high pressures and temperatures, making them ideal for high-performance applications as well as everyday use.