What is the size of these main bearings?

These main bearings are sized 0.50mm over the standard size. This is important when rebuilding an engine, especially if the crankshaft has been machined.

What type of engine is this bearing set designed for?

This bearing set is designed for Ford J4B and J4C engines. They are particularly well-suited for engines that operate under low to medium load conditions.

What are the main materials used in these bearings?

These bearings are made from a bi-metal aluminum alloy and feature a lead-free composite material on the surface. This construction is chosen for its environmental safety and performance in less demanding applications.

Specifications

Brand: King Engine Bearings
Part #: MB5576AM0.5
UPC: 611500205729

King Engine Bearings Ford J4B/J4C (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Ford J4B/J4C (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-j4b-j4c-size-0-50mm-main-bearing--t14-770854
Price: 37.84 USD
Availability: BackOrder

$37.84

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King Engine Bearings Ford J4B/J4C (Size +0.50mm) Main Bearing Set. Lead-free composite bearings for low to medium-load engines.

Key Features

This set includes main bearings for Ford J4B/J4C engines, sized +0.50mm.
Features a lead-free, environmentally safe composite material.
Constructed from a bi-metal aluminum alloy.
Suitable for low to medium-load engines.

⚠️ 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

In this set, you get the main bearings for your Ford J4B or J4C engine, sized 0.50mm over. King Engine Bearings has been focused on making top-notch bearings since 1960, and this set is built with that experience in mind.

These bearings use a lead-free composite material that's better for the environment. They're made from a bi-metal aluminum alloy, which is a solid choice for engines that don't see extreme loads. This combination helps ensure they perform well in everyday driving conditions.