King Engine Bearings MB5009XP0.25 Performance Main Bearing Set Oversize - 0.25mm

The King Engine Bearings MB5009XP0.25 is a high-performance main bearing set designed for demanding engine applications. This precision-engineered bearing set features King's pMax Black™ performance coating for enhanced durability and protection during critical break-in periods.

Key Features:

• 0.25mm oversize bearings for engines requiring slightly larger bearing clearances
• High-strength tri-metal construction for maximum durability under high loads
• Advanced pMax Black™ coating provides superior wear resistance and oil retention
• Precision manufacturing ensures consistent bore geometry and oil clearances
• Engineered for both street performance and racing applications
• Complete main bearing set for proper crankshaft support

King Engine Bearings are manufactured to strict tolerances and are trusted by professional engine builders worldwide. The XP designation indicates this is part of King's performance series, designed to handle increased loads and RPM in modified engines. The 0.25mm oversize specification allows for proper bearing clearance when using a reground crankshaft or when cylinder bore wear requires oversized bearings.