What does the 1.0mm oversize mean for these bearings?

The 1.0mm oversize designation means these bearings are slightly larger than standard. This is typically used when the engine's crankshaft journals have been machined down by 1.0mm during a rebuild to remove wear or damage. Using the correct oversize bearing ensures a proper fit and oil clearance.

What is the advantage of a bimetal aluminum silicon base?

A bimetal construction with an aluminum silicon base offers a good balance of strength, wear resistance, and conformability. The aluminum silicon alloy helps the bearing surface adapt to the crankshaft, maintaining consistent oil film and reducing friction.

Are these bearings sold individually or as a set?

This product is a Main Bearing Set, meaning it includes all the necessary main bearings for the Ford 155 engine in one package.

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King Engine Bearings Ford 155 (Size +1.0mm) Main Bearing Set

Specifications

Brand: King Engine Bearings
Part #: MB4056SI1.0
UPC: 611500413230

King Engine Bearings Ford 155 (Size +1.0mm) Main Bearing Set

Name: King Engine Bearings Ford 155 (Size +1.0mm) Main Bearing Set
Brand: King Engine Bearings
Price: 54.71 USD
Availability: InStock

$54.71

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King Engine Bearings MB4056SI1.0 main bearing set for Ford 155 engines. Features a bimetal aluminum silicon base and is 1.0mm oversize.

Key Features

Fits a wide range of vehicles including Ford Taurus, Mazda 6, and Lincoln LS.
Main bearing set for Ford 155 engines.
Size is 1.0mm oversize.
Constructed with a bimetal aluminum silicon base.

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Product Details

King Engine Bearings is known for making solid engine components, and this Main Bearing Set is no exception. This set is designed for the Ford 155 engine and comes in a 1.0mm oversize, which is important if you're rebuilding or repairing your engine and need to account for previous machining or wear.

These bearings use a bimetal construction with an aluminum silicon base. This type of material is chosen because it offers good wear resistance and conformability, helping to maintain oil film and protect the crankshaft. This set fits a wide range of vehicles, including models like the Ford Taurus, Mazda 6, and Lincoln LS, making it a versatile option for many Ford 155 engine applications.