King Engine Bearings MB5848XPC0.25 Performance Main Bearing Set Undersize - 0.25mm

The King Engine Bearings MB5848XPC0.25 is a high-performance main bearing set engineered for extreme racing and performance applications. This 0.25mm undersize bearing set features King's advanced XPC series construction, representing their premium race bearing technology.

Advanced XPC Series Construction:

• Features pMaxBlack overlay that increases hardness by 24% compared to conventional tri-metal race bearings
• Topped with innovative pMaxKote ceramic nano-composite polymer coating for superior wear and seizure resistance
• Tri-metal construction with copper lead base, nickel plate barrier, and lead/tin/copper Babbitt overlay on steel backing
• pMaxKote coating does not alter the bearing's original precision wall thickness dimensions

Performance Features:

• Superior protection against metal-to-metal contact and cavitation erosion
• Enhanced seizure resistance for high-load racing applications
• Maintains "Bull's Eye" bearing wall thickness tolerances of ±0.0001 inch
• Designed for forged steel aftermarket crankshafts and extended high-load operation
• Factory-applied coating ensures consistent quality and performance

This 0.25mm undersize bearing set is ideal for engine rebuilds requiring precision machined crankshafts. The XPC series represents King's highest level of bearing technology, proven in the most demanding racing environments.