What does the '.25 Oversize' mean for these rod bearings?

The '.25 Oversize' designation, specifically 0.25mm or 0.010 inches undersize, means these bearings are slightly smaller than standard. This allows them to be used when the crankshaft journals have been machined down (ground) to remove wear or imperfections, ensuring proper oil clearance.

Are these bearings suitable for a stock Hemi engine rebuild?

While these are high-performance bearings and often used in modified engines, they can also be used in a stock Hemi rebuild if the crankshaft journals have been machined undersize. For a completely stock rebuild with unworn journals, you would typically use standard size bearings.

What is the primary benefit of using ACL bearings in a Hemi engine?

ACL is known for well-built engine bearings that offer reliable performance. For Hemi engines, especially those used in high-performance applications, these bearings help ensure proper lubrication and oil clearance, which is critical for engine longevity under stress.

ACL Chrysler 345, 370 ci (5.7L/6.1L) Hemi .25 Oversize High Performance Rod Bearing Set

Specifications

Brand: ACL
Part #: 8B1808H-.25
UPC: 9315726276563

ACL Chrysler 345, 370 ci (5.7L/6.1L) Hemi .25 Oversize High Performance Rod Bearing Set

Name: ACL Chrysler 345, 370 ci (5.7L/6.1L) Hemi .25 Oversize High Performance Rod Bearing Set
Brand: ACL
Price: 118.08 USD
Availability: InStock

$118.08

Only 4 left in stock

ACL Chrysler 345, 370 ci (5.7L/6.1L) Hemi .25 Oversize High Performance Rod Bearing Set. These bearings are 0.25mm undersize to help clean up worn crankshaft journals.

Key Features

Fits Chrysler 300, Dodge Challenger, Charger, Durango, Magnum, Ram 1500, Jeep Grand Cherokee, Grand Wagoneer, Wrangler, and Ram 1500 vehicles.
Designed for Chrysler 345, 370 ci (5.7L, 6.1L, 6.2L, 6.4L) Hemi V8 engines.
Rod bearing set is 0.25mm (0.010 inches) undersize for crankshaft journal cleanup.
High-performance design suitable for demanding engine applications.
Includes a full set of connecting rod bearings for the V8 engine.

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Will this fit your vehicle?

Product Details

You get a full set of high-performance rod bearings in this kit, which means one box handles the critical internal engine work. These ACL bearings are specifically made for Chrysler 345, 370 cubic inch (5.7L and 6.1L) Hemi V8 engines, and they come 0.25mm (0.010 inches) undersize. This is important because if your crankshaft journals have seen some wear, these bearings can be used to help clean them up and ensure proper oil clearance during your rebuild.

ACL has been making engine bearings for a long time, and they're known for building well-made parts. These are designed for high-performance applications, meaning they can handle the extra stress that comes with a modified or performance-tuned Hemi engine. The set includes all the bearings you'll need for your Hemi V8, ensuring consistent oil flow and lubrication to your connecting rods.

When you're rebuilding a Hemi engine, especially one that's going to be pushed hard, getting the bearing clearances right is crucial. These ACL bearings give you that option with the .25mm undersize, making them a solid choice for performance builds where the crankshaft may need a little extra attention. Always refer to your specific engine's service manual for detailed installation instructions and proper torque specifications.