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Features, Description, Q&A
High-Performance Main Bearing. The King Engine Bearings for Thrust in Position 5 Size STDX are engineered to deliver exceptional durability and load capacity for Subaru EJ-series engines, including turbocharged variants. Built for racing and high-stress environments, this bearing set enhances oil flow and provides reliable crankshaft support under extreme conditions.
Construction and Appearance. These bearings utilize tri-metal lead bronze material combined with a proprietary pMaxBlack nano-scaled hardening overlay on the Babbitt layer, improving wear resistance and load capacity. The result is a durable black finish optimized for longevity and peak performance.
Installation. The bearing set installs using standard bearing replacement procedures without requiring additional modifications such as drilling, enabling a straightforward and professional installation.
Application. Specifically designed for Subaru EJ20, EJ22, and EJ25 engines—including WRX and STI models—these bearings accommodate thrust loads in position five to ensure enhanced reliability in demanding race and performance applications.
King Engine Bearing MB5382XPGSTDX
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