King Engine Bearings MB5382AM0.5 Main Bearing Set for Subaru EJ20/EJ22/EJ25

The King Engine Bearings MB5382AM0.5 is a precision-engineered main bearing set designed specifically for Subaru EJ20, EJ22, and EJ25 engines, including turbocharged variants from 1999 and later. This Phase 2 bearing set is configured for engines with the thrust bearing positioned at the #5 location, ensuring proper crankshaft alignment and axial load management.

Key Features:

• Bi-metal aluminum construction equivalent to SAE-783 standard for reliable performance
• 0.5mm (0.020") oversize for worn crankshaft journals requiring machine work
• Aluminum-based bearing material optimized for low to medium load applications
• Thrust bearing integrated at #5 position for proper fitment
• Compatible with naturally aspirated and turbocharged Subaru boxer engines
• Precision manufacturing ensures consistent tolerances and oil clearances

King Engine Bearings are manufactured to OEM specifications and beyond, providing engine builders and performance enthusiasts with a cost-effective solution for engine rebuilds. The bi-metal aluminum construction offers excellent conformability and embeddability, helping to protect the crankshaft during break-in and throughout the engine's service life. This bearing set is ideal for stock replacement and mild performance builds where budget and reliability are priorities.