King Engine Bearings Chevrolet 369-502 Gen IV/ V/ VI - (Size STDX) Main Bearing Set

If you're rebuilding the bottom end of your Chevrolet 396, 402, 427, or 454 big-block engine, a solid set of main bearings is crucial. This King Engine Bearings MB556XPNSTDX main bearing set is built for Chevrolet Gen IV, V, and VI engines, and it's sized STDX, meaning it's 0.040 inch undersize. King has been specializing in bearings since 1960, focusing on supplying the highest quality available.

These bearings feature King's PMaxBlack technology, which helps them handle superior load capacity. They also incorporate Radialock design for optimal crush height, ensuring a snug fit. The tri-metal copper-based material offers a strong foundation for durability and performance in these critical engine components. This set fits a wide range of Chevrolet vehicles from the mid-60s through the early 2000s, including popular models like the C10 Pickup, Camaro, and Corvette.