What is the main benefit of the lead-free composite material?

The lead-free composite material is environmentally safe and ideal for medium-load engines. It helps ensure reliable performance while meeting environmental standards.

What does 'STD' size mean for these bearings?

STD stands for Standard size. This means the bearings are the original factory size and are intended as a direct replacement for your worn main bearings without any machining required.

What is the construction of these main bearings?

These bearings are made from a bi-metal aluminum material. This construction offers good thermal conductivity, which helps to manage heat effectively within the engine.

Specifications

Brand: King Engine Bearings
Part #: MB5281SI
UPC: 611500422980

King Engine Bearings Ford 281CI 4.6L V8 (Size STD) Main Bearing Set

Name: King Engine Bearings Ford 281CI 4.6L V8 (Size STD) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-281ci-4-6l-v8-size-std-main-beari-t14-4326308
Price: 56.91 USD
Availability: BackOrder

$56.91

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King Engine Bearings Ford 4.6L V8 (Size STD) Main Bearing Set. Lead-free composite for medium-load engines.

Key Features

Fits 21+ vehicle make/model combinations including Ford, Lincoln, and Mercury.
Features a lead-free, environmentally safe composite material.
Constructed with a bi-metal aluminum material for good thermal conductivity.
Designed for medium-load engines.
Standard (STD) size for direct replacement.
Main bearing set from King Engine Bearings.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Built with a lead-free, environmentally safe composite material, these main bearings are a solid option for medium-load engines like the Ford 4.6L V8. King Engine Bearings specializes in creating high-quality engine bearings, and this set is designed to fit a wide range of Ford, Lincoln, and Mercury vehicles from the mid-90s through the early 2010s, including popular models like the Ford F-150, Ford Expedition, and Ford Mustang.

The bi-metal aluminum construction offers good thermal conductivity, helping to dissipate heat away from the crankshaft. This standard size (STD) set is a direct replacement for your worn-out main bearings, helping to restore proper crankshaft support and oil clearance. King has been focused on bearing technology since 1960, aiming to provide reliable components for engine rebuilding.