What does the 0.25 in the part number mean?

The '0.25' in MB4056SI0.25 indicates that these are 0.025 inch undersize bearings. This means they are intended for use when the crankshaft journals have been machined down by 0.025 inches during an engine rebuild.

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

This bearing set features a bi-metal aluminum material with a lead-free composite overlay, making it ideal for medium-load engines. It's a well-built option for many common engine rebuilds.

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

This product includes the main bearing set itself. It's recommended to refer to the manufacturer's installation instructions or consult a professional mechanic for a complete list of any additional hardware or sealants that may be required for proper installation.

Specifications

Brand: King Engine Bearings
Part #: MB4056SI0.25
UPC: 611500413209

King Engine Bearings 97-07 Ford 2.5L/2.9L/3.0L (Size 0.25) Main Bearing Set

Name: King Engine Bearings 97-07 Ford 2.5L/2.9L/3.0L (Size 0.25) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-97-07-ford-2-5l-2-9l-3-0l-size-0-25-ma-t14-92532
Price: 54.71 USD
Availability: BackOrder

$54.71

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King Engine Bearings 97-07 Ford 2.5L/2.9L/3.0L (Size 0.25) Main Bearing Set. Lead-free composite and bi-metal aluminum construction for medium-load engines.

Key Features

Fits 19+ vehicle make/model combinations.
Features a lead-free, environmentally safe composite material.
Bi-metal aluminum construction is well-suited for medium-load engines.
This is a 0.025 inch undersize bearing set, intended for machined crankshaft journals.
King Engine Bearings has specialized in bearing production since 1960.

⚠️ 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 main bearing set from King Engine Bearings is built with a lead-free, environmentally safe composite material. This bi-metal aluminum construction is ideal for medium-load engines, offering a solid option for rebuilding or repairing your engine's crankshaft support system. King has been specializing in bearings since 1960, focusing on supplying well-built components for a wide range of vehicles.

The MB4056SI0.25 set is specifically sized at 0.025 inches undersize, meaning it's intended for crankshaft journals that have been machined down to match this specification during an engine rebuild. This attention to detail in sizing ensures a proper fit and function when installed on a prepared crankshaft. This particular set is designed to fit a variety of Ford, Jaguar, and Mazda engines, making it a versatile choice for many common repairs.