What is the construction of these main bearings?

These main bearings feature a bimetal construction with an aluminum base. This design helps with heat dissipation and provides a durable surface for the crankshaft to rotate against.

Are these bearings suitable for a standard crankshaft or a reground one?

This specific bearing set, MB458AM1.25, is an undersize set. It is intended for use with a crankshaft that has been machined down by 0.00125 inches. If your crankshaft is still at factory specifications, you would need a standard size bearing set.

Specifications

Brand: King Engine Bearings
Part #: MB458AM1.25
UPC: 611500380419

King Engine Bearings Mitsubishi 181CI 3.0L 6G72 V6 (Size 1.25) Main Bearing Set

Name: King Engine Bearings Mitsubishi 181CI 3.0L 6G72 V6 (Size 1.25) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mitsubishi-181ci-3-0l-6g72-v6-size-1-2-t14-4339619
Price: 32.28 USD
Availability: BackOrder

$32.28

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King Engine Bearings main bearing set MB458AM1.25 for Mitsubishi 6G72 V6 engines. Features a 1.25 undersize.

Key Features

Fits a wide range of vehicles with the Mitsubishi 3.0L 6G72 V6 engine.
Main bearing set supports the crankshaft in the engine block.
Features a 1.25 undersize for use with machined crankshafts.
Constructed with a bimetal design using an aluminum base.
Part number MB458AM1.25.

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About this part

Product Details

This is a King Engine Bearings Main Bearing Set, part number MB458AM1.25. It's designed for Mitsubishi 181 cubic inch, 3.0L 6G72 V6 engines. These bearings are a crucial component for the health of your engine's rotating assembly, supporting the crankshaft as it spins. This particular set is a 1.25 undersize, meaning it's intended for crankshafts that have been machined down by 0.00125 inches during a rebuild.

The bearings are constructed with a bimetal design, featuring an aluminum base. This construction helps manage heat and provides a solid surface for the crankshaft to ride on. King Engine Bearings are a popular choice for many builds, offering a well-built option for engine work. This set fits a wide range of vehicles, including models like the Dodge Caravan, Chrysler Sebring, and Mitsubishi Eclipse, among many others.