Enginetech BC409J010 Main Bearings for GM 4.8L 5.3L 5.7L 6.0L Engines

The Enginetech BC409J010 main bearing set is designed for GM small block LS-series engines, including 4.8L (293ci), 5.3L (325ci), 5.7L (346ci), and 6.0L (364ci) applications. These main bearings provide the critical interface between the crankshaft and engine block, ensuring proper oil clearance and supporting the rotating assembly under high loads.

Key Features:

• Standard size (STD) main bearings for LS-series engine rebuilds
• High-quality bearing material for durability and wear resistance
• Precision manufactured to meet OEM specifications
• Complete main bearing set for full crankshaft support
• Compatible with GM Gen III and Gen IV LS engines

This bearing set is ideal for engine rebuilders and performance enthusiasts rebuilding or freshening up LS-based engines. Proper bearing selection and installation is critical for engine longevity and reliable operation. Always verify clearances with plastigage and follow manufacturer torque specifications during assembly.