What size are these main bearings?

These main bearings are sized at +0.25mm. This means they are slightly larger than standard size, typically used when the crankshaft journals have been machined down to accommodate the undersize.

What material are these bearings made from?

The bearings are made from a bi-metal aluminum material. They also feature a lead-free composite, which is environmentally safe.

Are these bearings suitable for high-performance or racing engines?

These bearings are ideal for medium-load engines. For high-performance or racing applications, it's always best to consult with a specialist or refer to the manufacturer's specific recommendations for those types of builds.

Specifications

Brand: King Engine Bearings
Part #: MB4103SI0.25
UPC: 611500466885

King Engine Bearings Chrysler 197 (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Chrysler 197 (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-197-size-0-25mm-main-bearing--t14-770362
Price: 47.80 USD
Availability: BackOrder

$47.80

On Backorder

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King Engine Bearings Chrysler 197 Main Bearing Set (+0.25mm). Bi-metal aluminum construction for medium-load engines.

Key Features

Fits 13+ vehicle make/model combinations.
Main bearing set is sized +0.25mm.
Constructed with bi-metal aluminum material.
Features a lead-free, environmentally safe composite.
Suitable for medium-load engines.
From King Engine Bearings, a specialist in bearing manufacturing since 1960.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

What you get here is a set of main bearings from King Engine Bearings, specifically sized at +0.25mm. These bearings are built with a bi-metal aluminum material, making them a solid option for engines that handle medium loads. King has been specializing in bearings since 1960, focusing on making them well-built for the job.

These bearings use a lead-free composite, which is environmentally safe. They are designed to be a direct replacement for the main bearings in a wide range of Chrysler and Dodge vehicles, including models like the Chrysler 300, Dodge Charger, and Dodge Challenger. If you're rebuilding an engine and need to replace the main bearings, this set offers a reliable component from a company that focuses solely on bearing technology.