What is the 'STDX' size designation?

The STDX designation refers to a specific size tolerance for these main bearings. It indicates a housing bore of +.005, which is a critical measurement for ensuring proper clearance and oil flow within the engine block.

What is the advantage of the pMax Black tri-metal material?

The pMax Black tri-metal construction is a performance-oriented material that offers improved strength and durability compared to standard bearings. It's designed to better manage heat and reduce friction, making it suitable for engines that experience higher loads.

Are these bearings suitable for a stock engine rebuild?

Yes, these bearings are a well-built option for stock engine rebuilds, especially if you're looking for improved durability and performance over standard components. Their tri-metal construction and precise sizing contribute to engine longevity.

Specifications

Brand: King Engine Bearings
Part #: MB5740XPGSTDX
UPC: 611500575686

King Engine Bearings Subaru EJ20/EJ22/EJ25 Performance Tri Metal Bearing Set - Size STDX

Name: King Engine Bearings Subaru EJ20/EJ22/EJ25 Performance Tri Metal Bearing Set - Size STDX
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-subaru-ej20-ej22-ej25-performance-tri--t14-78522
Price: 178.01 USD
Availability: InStock

$178.01

Only 6 left in stock

King Engine Bearings Subaru EJ20/EJ22/EJ25 Performance Tri Metal Bearing Set - Size STDX. These bearings are designed for improved performance in Subaru EJ engines.

Key Features

Fits 1990-2017 Subaru and 2005-2006 Saab vehicles with EJ20, EJ22, or EJ25 engines.
Features pMax Black tri-metal construction for enhanced strength and durability.
Designed with a housing bore of +.005 for precise fitment.
Main bearing set for Subaru EJ20, EJ22, and EJ25 engines.
Part number MB5740XPGSTDX.

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About this part

Product Details

The pMax Black tri-metal construction in this King Engine Bearings main bearing set is a key feature for performance applications. This material offers improved strength and durability, making it a solid choice for Subaru EJ20, EJ22, and EJ25 engines. These bearings are designed with a housing bore of +.005, which is an important measurement to consider during installation to ensure proper clearance and oil flow.

This set is built for engines that see more demanding use, offering a step up from standard bearings. The tri-metal design helps manage heat and reduce friction, which is crucial for maintaining engine health under stress. They are a popular choice for builders looking to get the most out of their Subaru EJ engine, whether it's in a Forester, Impreza, Legacy, or Outback.

When rebuilding or refreshing your Subaru's engine, choosing the right bearings is essential for longevity and performance. These King Engine Bearings are a well-built option that balances performance with the reliability needed for daily driving or more spirited use.