SKU: KEBMB5116XPC001
MPN: MB5116XPC 001
The Main Bearing Set BBM 426/440 by King Bearings is designed for serious big-block Chrysler engine builders and performance enthusiasts working with 426 or 440 cubic-inch platforms. These premium crankshaft bearings are crucial for rebuilding, upgrading, or restoring high-performance big-block engines that require reliable journal support under extreme combustion pressures.
Manufactured using advanced tri-metal construction, this bearing set combines a steel backing with a lead-copper alloy and a thin overlay layer optimized for load capacity, conformability, and heat dissipation. This innovative design minimizes friction between the crankshaft journals and bearing surfaces while ensuring dimensional stability during high-rpm operation and elevated engine temperatures.
Ideal for engine machine shops, restoration specialists, and DIY builders, the Main Bearing Set BBM 426/440 provides the precision fit and durability necessary for consistent engine longevity and reliable performance. Proper installation is essential for maximizing the benefits of these bearings, ensuring that your classic muscle car can handle higher horsepower levels with confidence.
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