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

This main bearing set from King Engine Bearings is designed to support the crankshaft and restore proper clearances during LS-series engine rebuilds, providing precision fitment for GM Vortex / Gen III and Gen IV platforms. Ideal for OE-style replacements and performance builds, these main bearings help maintain oil film, reduce wear under high-load conditions, and ensure reliable crank support in Chevrolet and GM LS V8 applications. Use this set when performing a complete bottom-end refresh to achieve consistent bearing clearances and long-term durability in stock or mildly modified engines.