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

King Engine Bearings Main Bearing Set for GM Vortex Gen III LS-Series King Engine Bearings main bearing set engineered for GM Vortex / Gen III LS-Series engines. Designed to deliver durable, precision performance for street, racing, and high-output builds. Features & Benefits Precision fit: Manufactured to tight tolerances for consistent oil clearance and reliable crankshaft support. Durable materials: High-quality bearing alloys resist wear, fatigue, and heat for extended service life. Optimized for LS-Series: Direct replacement for GM Vortex (Gen III) main journals — simple installation with OE compatibility. Performance-ready: Ideal for boosted, nitrous, or high-horsepower applications when paired with proper assembly techniques. Complete set: Includes main bearings required to rebuild the bottom end of Gen III LS-series engines. Why Choose King Engine Bearings? King is a trusted name in rotating assembly components. This main bearing set provides consistent oil film protection and improved durability under high loads, making it a top choice for engine builders seeking reliable performance and longevity. Compatible engines: GM Vortex / Gen III LS-Series (LS1, LS2, LS3, LS6 and related variants). Verify fitment with your application prior to purchase.