King Engine Bearings MB5293SI 001 Main Bearing Set GM LS Series Gen III IV - 001

The King Engine Bearings MB5293SI 001 is a high-performance main bearing set engineered specifically for GM Vortec and LS-series Gen III and Gen IV engines. These precision-machined bearings are essential components for engine rebuilds and performance applications.

Key Features:

• Bimetal construction with aluminum-silicon base material for superior durability and heat dissipation
• Engineered specifically for GM LS-series Gen III and Gen IV engine platforms
• Complete main bearing set for full crankshaft support
• Precision bore sizing for optimal oil clearance and bearing crush
• Compatible with Vortec and LS engine variants including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L displacements
• Manufactured to OE specifications with enhanced materials for performance and longevity

King Engine Bearings are trusted by professional engine builders and performance enthusiasts worldwide. The bimetal aluminum-silicon construction provides excellent conformability, embedability, and resistance to wear, making this bearing set ideal for both street and performance applications. This set includes all main bearings required for a complete installation.