What does '+1.0mm' mean for these bearings?

The '+1.0mm' indicates that these bearings are 1.0 millimeter larger in diameter than standard size. They are designed to be used when the engine's crankshaft has been machined down by 1.0mm to correct wear or damage.

What is the material of these bearings?

These bearings are made from a bimetal material, featuring an aluminum silicon base. This construction is chosen for its ability to withstand engine loads and heat.

Are these bearings sold individually or as a set?

This product is a main bearing set, meaning it includes all the necessary main bearings required for a complete engine rebuild of the main journals.

Specifications

Brand: King Engine Bearings
Part #: MB5219SI1.0
UPC: 611500464058

King Engine Bearings Ford 281 (4.6L) 1991-1993 (Size +1.0mm) Main Bearing Set

Name: King Engine Bearings Ford 281 (4.6L) 1991-1993 (Size +1.0mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-281-4-6l-1991-1993-size-1-0mm-mai-t14-770533
Price: 58.18 USD
Availability: BackOrder

$58.18

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Fits 1991-1994 Lincoln Town Car. King Engine Bearings main bearing set, size +1.0mm, for the 4.6L engine.

Key Features

Fits 1991-1994 Lincoln Town Car.
Main bearing set for Ford 4.6L 281 cubic inch engines.
Bearings are constructed from a bimetal material with an aluminum silicon base.
This is a +1.0mm undersize bearing set, intended for use with a machined crankshaft.

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About this part

Product Details

King Engine Bearings is known for making solid internal engine components. If you're rebuilding the bottom end of your 1991-1993 Ford 4.6L engine, this main bearing set is a key part of that job. These bearings are made with a bimetal construction, using an aluminum silicon base, which helps them handle the loads and heat inside your engine.

This is a +1.0mm undersize set, meaning it's intended for crankshafts that have been machined down by 1.0mm. This is a common practice when rebuilding an engine to clean up wear or damage on the crank journals. Using the correct undersize bearing ensures a proper oil clearance, which is critical for engine longevity.