What does the +0.25mm sizing mean for these bearings?

The +0.25mm sizing indicates that these bearings are intended for use in an engine where the crankshaft journals have been machined down by 0.25mm. This is a common practice during engine rebuilds to clean up worn or damaged journals and restore proper clearances.

What type of engine is this bearing set best suited for?

This bearing set is ideal for engines that operate under low to medium loads. The lead-free composite material is designed for these applications, offering an environmentally safe option.

Are these bearings lead-free?

Yes, these main bearings feature a lead-free composite material. This makes them an environmentally safe choice for your engine build.

Specifications

Brand: King Engine Bearings
Part #: MB4050AM0.25
UPC: 611500383014

King Engine Bearings Mitsubishi 6G74 (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Mitsubishi 6G74 (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mitsubishi-6g74-size-0-25mm-main-beari-t14-770325
Price: 61.67 USD
Availability: BackOrder

$61.67

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King Engine Bearings Mitsubishi 6G74 (Size +0.25mm) Main Bearing Set. Lead-free composite ideal for low to medium-load engines.

Key Features

Fits a wide range of vehicles including Mitsubishi, Hyundai, and Kia models.
Main bearing set with a +0.25mm size for machined engine blocks.
Constructed with a bi-metal aluminum material.
Features a lead-free composite, suitable for low to medium-load engines.
Environmentally safe composite material.

⚠️ 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

This is a King Engine Bearings Main Bearing Set, specifically the MB4050AM0.25 model. You get a set of main bearings designed to replace your worn-out originals. These bearings are made with a bi-metal aluminum material and feature a lead-free composite, making them an environmentally safe choice for your engine rebuild.

King Engine Bearings has been specializing in bearings since 1960, focusing on producing high-quality components. This particular set is ideal for engines that operate under low to medium loads. The +0.25mm sizing indicates these are intended for engines that have already been machined to that specification, often during a rebuild to clean up worn journals.

This main bearing set fits a wide range of vehicles, including models like the Mitsubishi Diamante, Kia Sorento, and Hyundai XG350. Always confirm fitment for your specific vehicle and ensure your engine block has been machined to the +0.25mm size if needed.