What does the '+0.75mm' size designation mean for these bearings?

The '+0.75mm' indicates that these bearings are 0.75mm undersize. This means they are designed to fit a crankshaft that has been machined down by 0.75mm during an engine rebuild process.

What is the construction of these main bearings?

These bearings feature a high-performance overlay material that is bonded to a steel backing. This construction is intended to provide a strong and durable bearing surface that can effectively manage oil film and reduce friction.

Are these bearings suitable for all engine rebuilds?

These specific bearings are designed for Chevrolet and Jeep engines with a 173 cubic inch or 2.8 liter displacement. Always confirm that your engine's specifications match those listed for this bearing set before installation.

Specifications

Brand: King Engine Bearings
Part #: MB4093SI0.75
UPC: 611500439087

King Engine Bearings Chevrolet/Jeep 173Ci 2.8L (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Chevrolet/Jeep 173Ci 2.8L (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chevrolet-jeep-173ci-2-8l-size-0-75mm--t14-770357
Price: 56.51 USD
Availability: BackOrder

$56.51

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King Engine Bearings Chevrolet/Jeep 173Ci 2.8L (Size +0.75mm) Main Bearing Set. This 0.75mm undersize set is for engine rebuilding.

Key Features

This is a 0.75mm undersize main bearing set.
Designed for Chevrolet and Jeep engines with 173Ci or 2.8L displacement.
Features a high-performance overlay bonded to a steel backing for durability.
Helps manage oil film and reduce friction in the engine's rotating assembly.

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About this part

Product Details

These main bearings are 0.75mm undersize, meaning they are intended for crankshafts that have been machined down by 0.75mm during an engine rebuild. King Engine Bearings uses a high-performance overlay material that's bonded to a steel backing, providing a strong and durable bearing surface. This construction helps manage oil film and reduce friction, which is critical for the longevity of your engine's rotating assembly.

The specific overlay used in these bearings is designed to handle the pressures and temperatures found in Chevrolet and Jeep engines displacing 173 cubic inches or 2.8 liters. When you're rebuilding an engine, using bearings that are the correct size for your machined crankshaft is essential for proper oil clearance and bearing life. This set ensures that you have the right components to get your engine running smoothly and reliably after a rebuild.