What does the +0.25mm size indicate for these bearings?

The +0.25mm designation means these bearings are slightly larger than standard size. This is typically used when the crankshaft journals have been machined down by 0.25mm during an engine rebuild to ensure a proper fit and oil clearance.

What is PMaxBlack technology?

PMaxBlack is a technology developed by King Engine Bearings that enhances the load-carrying capacity of the bearings. It's designed to help the bearings withstand higher pressures and stresses within the engine.

Does this bearing set come with all the necessary components for installation?

This product listing is for the main bearing set only. It is recommended to consult the manufacturer's installation guide or a professional mechanic to determine if any additional hardware or specialized tools are required for your specific engine build.

Specifications

Brand: King Engine Bearings
Part #: MB5442XP0.25
UPC: 611500586873

King 07-09 Mazdaspeed 3 L3-VDT MZR DISI (t) Duratec High Performance Main Bearing Set - Size +0.25mm

Name: King 07-09 Mazdaspeed 3 L3-VDT MZR DISI (t) Duratec High Performance Main Bearing Set - Size +0.25mm
Brand: King Engine Bearings
SKU: king-engine-bearings-king-07-09-mazdaspeed-3-l3-vdt-mzr-disi-t-duratec-high-perf-t14-45735
Price: 108.49 USD
Availability: InStock

$108.49

Only 9 left in stock

King Engine Bearings main bearing set MB5442XP0.25. Features PMaxBlack for superior load capacity and Tri-metal copper-based material. Fits many Ford, Lincoln, and Mazda models.

Key Features

Fits 2004-2013 Mazda 3, 2015-2018 Ford Edge, 2017-2020 Lincoln MKZ, and many other vehicles.
Features PMaxBlack technology for superior load capacity.
Includes Radialock for optimal crush height.
Constructed with a tri-metal copper-based material.
This is a +0.25mm undersize bearing set.

⚠️ 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 tri-metal copper-based material, this King high-performance main bearing set is designed for engines needing a +0.25mm undersize. King has been specializing in engine bearings since 1960, focusing on supplying well-built components for a range of vehicles. This set utilizes their PMaxBlack technology, which helps handle superior load capacity, and Radialock features for optimal crush height during installation.

This bearing set fits a wide variety of vehicles, including popular models like the 2004-2013 Mazda 3, 2015-2018 Ford Edge, and 2017-2020 Lincoln MKZ. When rebuilding or refreshing an engine, using bearings with the correct specifications and advanced materials can make a notable difference in performance and longevity. King's focus on bearing specialization means you're getting a component built with specific engine needs in mind.