What does the +0.75mm size mean for these bearings?

The +0.75mm designation indicates that these main bearings are 0.75mm larger in diameter than the standard size. This is typically used when the engine's crankshaft journals have been machined down to a specific undersize during an engine rebuild.

What engines are these main bearings compatible with?

These main bearings are designed for Subaru EJ20, EJ22, and EJ25 engines. This includes models that are turbocharged.

What is the construction of these bearings?

The bearings feature a high-performance overlay material that is bonded to a steel backing. This construction is intended to help manage oil flow and reduce friction within the engine.

Specifications

Brand: King Engine Bearings
Part #: MB5382SI0.75
UPC: 611500623400

King Engine Bearings Subaru Ej20/Ej22/Ej25 (Incl. Turbo) (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Subaru Ej20/Ej22/Ej25 (Incl. Turbo) (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-subaru-ej20-ej22-ej25-incl-turbo-size--t14-770683
Price: 40.47 USD
Availability: BackOrder

$40.47

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King Engine Bearings Subaru EJ20/EJ22/EJ25 (Incl. Turbo) (Size +0.75mm) Main Bearing Set. A +0.75mm undersize set for engine rebuilding.

Key Features

This product is a Main Bearing Set from King Engine Bearings.
The set includes main bearings that are 0.75mm larger than standard size.
Designed for Subaru EJ20, EJ22, and EJ25 engines, including turbocharged variants.
Features a high-performance overlay material bonded to a steel backing for improved oil management and reduced friction.

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About this part

Product Details

This is a King Engine Bearings Main Bearing Set, part number MB5382SI0.75. This set includes main bearings that are 0.75mm larger than standard size, intended for use when the crankshaft journals have been machined down to match this undersize. These bearings are designed for Subaru EJ20, EJ22, and EJ25 engines, including turbocharged models.

King Engine Bearings uses a high-performance overlay material that is bonded to a steel backing. This construction helps to manage oil flow and reduce friction, which is crucial for engine longevity. The specific overlay formulation is designed to work with various oil types and conditions, offering a solid option for engine rebuilds where precision and durability are key.