King Engine Bearings Cummins 6BT/ 6BTA/ 6BTAA (Size STDX) Main Bearing Set

This is a main bearing set from King Engine Bearings, specifically for Cummins 6BT, 6BTA, and 6BTAA engines. Main bearings are critical components that support the crankshaft within the engine block, allowing it to rotate smoothly while handling significant loads. When rebuilding or overhauling your Cummins engine, a fresh set of high-quality main bearings is essential for proper oil pressure and long-term durability.

This particular set is sized STDX, which indicates it's a 0.000 inch undersize bearing. King Engine Bearings are known for their well-built construction, often featuring advanced materials and designs to handle the stresses of heavy-duty diesel applications. The GPC designation in the part number suggests a specific material or coating designed for improved performance and wear resistance in demanding environments like those found in a Cummins engine. Ensuring these bearings are properly installed with the correct clearances and lubrication is key to achieving optimal engine performance and longevity.

When you're diving into a Cummins engine rebuild, using reputable parts like these King main bearings can make a significant difference in the final outcome. Always refer to your engine's service manual for the correct installation procedures and torque specifications to ensure a successful build.