King Engine Bearings MB1332XP0.25-5 XP-Series Performance Main Bearing Set 0.25mm Undersize

The King Engine Bearings MB1332XP0.25-5 is a high-performance main bearing set designed for extreme racing applications. This 5-bearing set features King's proven XP-Series construction with 0.25mm undersize specifications for precision fitment on machined crankshafts.

Advanced XP-Series Technology:

• Enhanced tri-metal construction with layered copper-lead intermediate layer
• Proprietary pMaxBlack overlay with nano-scaled hardening process for superior load capacity up to 10,200 PSI
• Lead/tin/copper Babbitt overlay with nickel plate barrier over steel backing
• Industry-leading wall thickness tolerance of +/- 0.0001 inch for consistent performance
• Enlarged, chamfered oil holes with optimized grooving for improved oiling

Race-Proven Design:

King XP-Series bearings are engineered specifically for high-performance and racing applications utilizing steel crankshafts. The advanced metallurgical construction delivers exceptional stability, durability, and resistance to fatigue under extreme loads. The pMaxBlack overlay technology provides superior load-bearing capacity while maintaining excellent embeddability for contamination resistance.

This 0.25mm undersize bearing set is ideal for circle track, drag racing, road racing, and other demanding motorsports applications where reliability and performance are critical.