What is the main function of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They create a low-friction surface that allows the crankshaft to rotate smoothly while maintaining the correct oil clearance for lubrication.

Are these bearings a direct replacement for the factory bearings?

This set, MB4558MC, is designed to meet the specifications for Ford Ecoboost 2.7L V6 engines, making them a direct replacement for the factory main bearings.

What material are these bearings made from?

King Engine Bearings are constructed from materials chosen for their durability and low friction properties, essential for handling the stresses within an engine.

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Specifications

Brand: King Engine Bearings
Part #: MB4558MC
UPC: 611500620782

King Engine Bearings Ford Ecoboost 2.7L V6 Main Bearing Set

Name: King Engine Bearings Ford Ecoboost 2.7L V6 Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-ecoboost-2-7l-v6-main-bearing-set-t14-432420
Price: 74.65 USD
Availability: BackOrder

$74.65

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

King Engine Bearings Main Bearing Set MB4558MC for Ford Ecoboost 2.7L V6 engines. Essential for engine rebuilds.

Key Features

Fits Ford Ecoboost 2.7L V6 engines.
Main bearing set for engine rebuilding.
Well-built for durability and low friction.
Helps maintain proper crankshaft oil clearance.
Part number MB4558MC.

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About this part

Product Details

If you're rebuilding the bottom end of your Ford Ecoboost 2.7L V6, a fresh set of main bearings is critical. These King Engine Bearings are designed to handle the demands of that powerful V6, ensuring smooth rotation of the crankshaft within the engine block. Proper bearing clearance is key to oil flow and preventing premature wear, especially in performance or high-mileage applications.

King Engine Bearings are well-built with materials chosen for durability and low friction. This set, part number MB4558MC, is made to precise specifications to fit your Ecoboost 2.7L correctly. They help maintain the correct oil film between the crankshaft and the main bearing housing, which is vital for the longevity of your engine. When you're putting an engine back together, using reliable bearings like these gives you peace of mind.