King Engine Bearings presents the BMW N63/S63 Crankshaft Main Bearing Set, precision-engineered to provide superior durability and performance for your engine build. This set features a size specification of +0.25mm, ensuring an exact fit to accommodate engine rebuilds requiring oversized bearings. Crafted with high-quality materials, these bearings are designed to offer exceptional resistance to wear and heat, supporting the high output and demanding operation of BMW's N63 and S63 engines.Ideal for enthusiasts and professionals alike, the King Engine Bearings MB5801SM0.25 set ensures reliable performance under extreme conditions, giving you peace of mind during intense driving and racing scenarios. Upgrading to these main bearings can help extend the life of your crankshaft and enhance overall engine smoothness and efficiency.Trust King Engine Bearings, a recognized leader in engine components, for products that meet stringent OEM specifications and rigorous testing standards. Whether you are rebuilding, maintaining, or upgrading, this main bearing set is a critical component for peak engine performance..

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