King Engine Bearings Main Bearing Set for GM Vortex Gen III IV LS-Series

King Engine Bearings Main Bearing Set for GM Vortex Gen III/IV LS-Series King Engine Bearings precision main bearing set engineered for GM Vortex (Gen III & IV) LS-series engines. Designed to deliver superior durability, tighter clearances and consistent oil film stability for street, performance and race applications. Exact fit: Manufactured to OE dimensions for easy installation in LS-series blocks. High strength materials: Multilayer bearing construction for improved fatigue life and load capacity. Optimized oil control: Superior surface finish and film retention minimize wear and reduce friction. Wide application: Compatible with Gen III and Gen IV GM Vortex LS engines — ideal for rebuilds and high-output builds. Quality assurance: Tight manufacturing tolerances and rigorous inspection ensure consistent performance. Whether you're building a stock replacement or a high-horsepower LS, this King Engine Bearings main bearing set provides reliable protection for your crankshaft and delivers long-lasting engine performance.