Lower Main Bearings Only - 9pcs.

The Lower Main Bearings Only - 9pcs. (MB3249VL) is a high-quality replacement set designed for serious engine rebuilds and high-mileage engine reconditioning. This nine-piece set is ideal for professional mechanics and dedicated enthusiasts who are focused on restoring engines to factory specifications.

These precision-engineered lower main bearings are crafted to ensure durability and accurate bearing clearance, which is crucial for optimal engine performance. The bearings are made from OEM-grade bearing alloy, optimized to minimize friction while maintaining structural integrity under peak combustion pressures and high-RPM operation.

This bearing set is particularly beneficial for classic car restoration and vintage truck engine rebuilds, ensuring that your crankshaft operates smoothly and efficiently. Each bearing is precisely sized to deliver the correct crush and bearing clearance required for your engine's design, preventing premature wear and oil starvation.