What does '0.25 undersize' mean for these bearings?

This means the inner diameter of the bearing is 0.010 inches (0.25mm) smaller than a standard size bearing. They are intended for use when the crankshaft journals have been machined down to this specific undersize dimension during an engine rebuild.

What is the material of these bearings?

These bearings are made with a multi-layer material that is designed to withstand engine operating pressures and reduce friction.

Do these bearings come with installation instructions?

While installation instructions are not included with the bearings themselves, it is crucial to consult your vehicle's specific service manual for proper installation procedures and required bearing clearances.

Specifications

Brand: King Engine Bearings
Part #: CR474SI0.25
UPC: 611500535178

King Engine Bearings Isuzu (Size 0.25) Connecting Rod Bearing Set

Name: King Engine Bearings Isuzu (Size 0.25) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-isuzu-size-0-25-connecting-rod-bearing-t14-432289
Price: 51.96 USD
Availability: BackOrder

$51.96

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King Engine Bearings Isuzu connecting rod bearing set, size 0.25. For engine rebuilds needing precise tolerances.

Key Features

This is a set of connecting rod bearings for Isuzu engines.
The bearings are 0.010 inch (0.25mm) undersize, intended for use with a machined crankshaft.
King Engine Bearings are constructed with a multi-layer material for durability.
Designed to help maintain proper oil clearance and reduce friction in the engine's bottom end.

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About this part

Product Details

When you're rebuilding the bottom end of your Isuzu engine and need to get the clearances just right, a set of precision undersize bearings is what you're after. This set from King Engine Bearings is specifically sized at 0.010 inches (0.25mm) undersize, perfect for applications where the crankshaft journals have been machined down to match this size. King is a well-known name in engine bearings, and they build these to handle the stresses of regular operation.

These connecting rod bearings are made with a multi-layer material that's designed to hold up under pressure and reduce friction. The goal is to ensure a smooth, consistent oil film between the crankshaft and the connecting rod, which is critical for preventing wear and maintaining oil pressure. Getting the bearing clearance correct is one of the most important steps in an engine rebuild, and using a set like this helps ensure you're starting with the right dimensions.

If your crankshaft has been ground undersize during an engine rebuild, this set is what you'll need to bring the connecting rod journal clearance back into specification. Always refer to your vehicle's specific service manual for the correct bearing clearance range and installation procedures.