What does '0.75mm undersize' mean for these bearings?

This means the bearings are manufactured to be 0.75mm smaller in diameter than standard size. This is typically used when the engine's crankshaft journals have been ground down (machined undersize) during a rebuild to remove imperfections or wear.

What is the construction of these main bearings?

These bearings feature a bimetal construction, which uses an aluminum base. This design is chosen for its reliable performance in engine applications.

Are these bearings suitable for a stock rebuild?

If your crankshaft journals are still at standard size, you would need a standard size bearing. This set is specifically for a crankshaft that has been machined to be 0.75mm undersize.

Specifications

Brand: King Engine Bearings
Part #: MB5065AM0.75
UPC: 611500349638

King Engine Bearings Chrysler/Mitsubishi 122ci 2.0L (Size 0.75) Main Bearing Set

Name: King Engine Bearings Chrysler/Mitsubishi 122ci 2.0L (Size 0.75) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-mitsubishi-122ci-2-0l-size-0--t14-4331524
Price: 46.09 USD
Availability: BackOrder

$46.09

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King Engine Bearings Main Bearing Set MB5065AM0.75. This set is 0.75mm undersize for a precise fit on 2.0L engines.

Key Features

Fits Chrysler, Dodge, Mitsubishi, and Plymouth 2.0L engines.
Main bearing set includes all necessary main bearings for the specified engine.
Features a bimetal construction with an aluminum base for durability.
This set is 0.75mm undersize, intended for use with a machined crankshaft.
Part number MB5065AM0.75.

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About this part

Product Details

When you're rebuilding the bottom end of your engine, getting the right main bearings is crucial for smooth operation and longevity. This set from King Engine Bearings includes the main bearings you need for a range of Chrysler, Dodge, Mitsubishi, and Plymouth vehicles with the 122ci 2.0L engine. These bearings are built with a bimetal construction, using an aluminum base for reliable performance.

This particular set is sized 0.75mm undersize, which is important if your crankshaft journals have been machined down during a rebuild. Using the correct undersize bearing ensures a proper oil clearance, which is key to preventing premature wear and ensuring your engine runs as it should. King Engine Bearings is a well-known name in the performance and rebuild world, and these bearings are a solid option for getting your engine back in top shape.