What does the 0.00025 inch undersize specification mean for these bearings?

This means the bearings are slightly smaller than standard size. They are intended for use when the crankshaft journals have been machined down by 0.00025 inches to correct minor wear or imperfections. Using these undersize bearings on a standard-size crankshaft will result in incorrect oil clearance.

Are these bearings sold individually or as a set?

This product is sold as a set, providing all the necessary connecting rod bearings for your engine's rebuild or repair.

What is required before installing these undersize bearings?

Before installing these bearings, it is critical that the crankshaft journals are professionally measured and machined to the exact 0.00025 inch undersize specification. The journals must also be thoroughly cleaned to ensure proper bearing function and oil pressure.

ACL Chrysler Prod V8 345 (5.7L Hemi) 2003 on Engine Connecting Rod Bearing Set

Specifications

Brand: ACL
Part #: 8B1808AO/S2-.25

ACL Chrysler Prod V8 345 (5.7L Hemi) 2003 on Engine Connecting Rod Bearing Set

Name: ACL Chrysler Prod V8 345 (5.7L Hemi) 2003 on Engine Connecting Rod Bearing Set
Brand: ACL
SKU: acl-acl-chrysler-prod-v8-345-5-7l-hemi-2003-on-engine-connecting-rod-bearing-set-t14-633214
Price: 36.61 USD
Availability: BackOrder

$36.61

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Key Features

Fits Chrysler, Dodge, and Jeep vehicles with the 5.7L Hemi V8 engine from 2003 on.
Set includes engine connecting rod bearings.
Bearings are manufactured at 0.00025 inches undersize for use with machined crankshaft journals.
Designed to provide proper oil clearance when used with a crankshaft machined to the specified undersize.

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Product Details

You get a full set of engine connecting rod bearings in this kit, which means one box handles the critical job of replacing these wear items. These bearings are specifically sized at 0.00025 inches undersize, meaning they're designed to be used when the crankshaft journals have been machined down by 0.00025 inches to clean them up or correct minor wear. This is a common step when rebuilding or refreshing an engine, especially one with the 5.7L Hemi V8 found in many Chrysler, Dodge, and Jeep vehicles.

ACL is a well-known name in engine bearings, and this set is built to meet the demands of the 5.7L Hemi. The undersize specification is important – using standard size bearings on a machined crank will result in excessive clearance and oil pressure loss. These bearings are designed to provide the correct oil clearance when paired with a crankshaft that has been precisely machined to the 0.00025 inch undersize specification. Proper installation, including ensuring the crankshaft journals are clean and within the specified tolerance, is key to their performance and longevity.

When you're rebuilding or repairing your 5.7L Hemi, getting the bearing clearances right is crucial for engine health. This ACL set, with its specific undersize, is a solid option for ensuring your engine runs smoothly and reliably after the work is done.