What does the +0.75mm size indicate?

The +0.75mm sizing means these bearings are designed for a crankshaft that has had its main journals machined down by 0.75mm. This is typically done during an engine rebuild to remove wear or imperfections from the original journals.

What is the 'Oblique' overlay?

The 'Oblique' overlay is a unique, multi-layer coating applied to the bearing surface. It's designed to help the bearing hold oil more effectively and reduce friction during operation.

Are these bearings suitable for a stock engine?

These bearings are specifically sized at +0.75mm, which is an undersize for the crankshaft journals. They are intended for use in engines where the crankshaft has been machined to this specific size during a rebuild, not for a stock, unmachined crankshaft.

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Specifications

Brand: King Engine Bearings
Part #: MB4570MC0.75
UPC: 611500630798

King Engine Bearings Ford Ecoboost 3.5L V6 (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Ford Ecoboost 3.5L V6 (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-ecoboost-3-5l-v6-size-0-75mm-main-t14-770430
Price: 92.08 USD
Availability: BackOrder

$92.08

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Key Features

Main bearing set for Ford Ecoboost 3.5L V6 engines.
Size is +0.75mm, intended for use with machined crankshaft journals.
Features King's 'Oblique' overlay for improved oil retention and reduced friction.
Well-built engine components from a trusted brand.

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About this part

Product Details

King Engine Bearings is known for making well-built engine components, and this main bearing set for the Ford Ecoboost 3.5L V6 is no exception. If you're rebuilding the bottom end of your engine, these bearings are a critical part of ensuring smooth operation and longevity. This set is specifically sized at +0.75mm, meaning it's designed to be used when the crankshaft journals have been machined down by 0.75mm to clean up any wear or damage.

These main bearings feature King's unique 'Oblique' overlay, which is a multi-layer coating designed to help with oil retention and reduce friction. This updated design helps protect the bearing surface under demanding conditions. When installing, remember that proper crankshaft preparation and clean assembly are key to getting the most out of these bearings.