What does the +0.50mm sizing mean for these bearings?

The +0.50mm sizing indicates that these bearings are 0.020 inches larger in diameter than standard. They are designed to be used with a crankshaft that has been machined down by 0.020 inches to ensure proper oil clearance after wear or repair.

What is the overlay material on these bearings?

King Engine Bearings uses a specialized overlay material that is formulated to withstand the pressures and stresses found in modern engines. This material helps to protect the bearing surface and ensure proper lubrication.

Are these bearings suitable for all Subaru EJ engines?

This specific bearing set is designed for Subaru EJ20, EJ22, and EJ25 engines, including turbocharged variants. It is essential to confirm that your specific engine model and the required bearing size match the product details.

Specifications

Brand: King Engine Bearings
Part #: MB5220SI0.5
UPC: 611500623431

King Engine Bearings Subaru Ej20/Ej22/Ej25 (Incl. Turbo) (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Subaru Ej20/Ej22/Ej25 (Incl. Turbo) (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-subaru-ej20-ej22-ej25-incl-turbo-size--t14-770535
Price: 43.64 USD
Availability: BackOrder

$43.64

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This is a King Engine Bearings main bearing set for Subaru EJ20, EJ22, and EJ25 engines, including turbo models. It's a +0.50mm undersize set.

Key Features

This is a King Engine Bearings main bearing set for Subaru EJ20, EJ22, and EJ25 engines, including turbo models.
The bearings in this set are sized at +0.50mm, which is 0.020 inches undersize.
This set is designed for use with a machined crankshaft that has been turned down to the +0.50mm size.
King Engine Bearings utilizes a specialized overlay material for durability.

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About this part

Product Details

In this set, you get the main bearings needed to rebuild the bottom end of your Subaru EJ20, EJ22, or EJ25 engine. These bearings are sized at +0.50mm, meaning they are intended for use with a crankshaft that has been machined down by 0.020 inches to account for wear or to achieve a specific clearance.

King Engine Bearings uses a specialized overlay material that's designed to handle the stresses of modern engines. This particular bearing set is well-built for Subaru's boxer engines, which can put unique demands on their main bearings due to the engine's configuration. The +0.50mm sizing is crucial for ensuring proper oil clearance after machining, which is vital for oil pressure and engine longevity.

When rebuilding an engine, using the correct bearing size is critical. This set is specifically for a +0.50mm machined crankshaft. Always refer to your engine's service manual for the exact oil clearance specifications and installation procedures.