What does the .005in oversize mean for my engine build?

The .005 inch oversize indicates that these bearings are slightly larger than standard. This is necessary when the crankshaft journals have been machined down during an engine rebuild. Using the correct oversize bearing ensures a proper fit and maintains the correct oil clearance and pressure.

What is the overlay material mentioned for these bearings?

King Engine Bearings uses a unique overlay material that is designed to withstand the demands of modern engines. This material helps to ensure the durability and longevity of the bearings under operating conditions.

Are these bearings sold individually or as a set?

This product is a main bearing set, meaning it includes all the necessary main bearings required for a complete engine rebuild of the bottom end.

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Specifications

Brand: King Engine Bearings
Part #: MB5799SI
UPC: 611500620218

King Engine Bearings Subaru FA20/ Toyota 4U-GSE/ O/S Housing .005in Main Bearing Set

Name: King Engine Bearings Subaru FA20/ Toyota 4U-GSE/ O/S Housing .005in Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-subaru-fa20-toyota-4u-gse-o-s-housing--t14-432513
Price: 57.28 USD
Availability: BackOrder

$57.28

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Key Features

Main bearing set for Subaru FA20 and Toyota 4U-GSE engines.
Features a .005 inch oversize to accommodate machined crankshaft journals.
Utilizes King's specialized overlay material for durability.

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About this part

Product Details

If you're rebuilding the bottom end of your Subaru FA20 or Toyota 4U-GSE engine, getting the main bearings right is crucial for proper crankshaft support and oil pressure. This set from King Engine Bearings is designed to be a direct replacement for those specific applications, ensuring your engine runs smoothly and reliably.

King uses a unique overlay material that's built to handle the stresses of modern engines. This particular set is .005 inches oversize, which is important if your crankshaft journals have been machined down during a rebuild. Using the correct oversize bearing ensures a tight, proper fit on the machined journals, which is key for maintaining oil clearance and pressure. This helps prevent premature wear and ensures the longevity of your engine build.