What does the +0.25mm size mean for these bearings?

The +0.25mm designation indicates that these bearings are slightly larger than standard size. They are intended for use when the connecting rod journals on the crankshaft have been machined down by 0.25mm due to wear or to correct imperfections.

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

These bearings feature a lead-free composite material that is ideal for low to medium-load engines. For high-performance or racing applications, King Engine Bearings offers specialized bearing lines designed for those demanding conditions.

What is the benefit of a bi-metal aluminum material?

The bi-metal aluminum construction offers a good combination of strength and thermal conductivity. This helps the bearing dissipate heat effectively while maintaining its structural integrity under normal operating loads.

Specifications

Brand: King Engine Bearings
Part #: CR4104AM0.25
UPC: 611500214615

King Engine Bearings Audi Abb/Abm/Adp/Pp/Rn (Size +0.25mm) Connecting Rod Bearing Set

Name: King Engine Bearings Audi Abb/Abm/Adp/Pp/Rn (Size +0.25mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-audi-abb-abm-adp-pp-rn-size-0-25mm-con-t14-769580
Price: 16.58 USD
Availability: BackOrder

$16.58

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King Engine Bearings CR4104AM0.25 connecting rod bearing set. Lead-free composite ideal for low to medium-load engines.

Key Features

Fits a wide range of Audi and Volkswagen vehicles.
This is a +0.25mm undersize connecting rod bearing set.
Features a lead-free composite material, making it environmentally safe.
Ideal for low to medium-load engines.
Constructed with a bi-metal aluminum material.

⚠️ 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

If you're working on an Audi or Volkswagen engine that needs connecting rod bearings, this set from King Engine Bearings is a solid option. These are the CR4104AM0.25 bearings, meaning they're a +0.25mm undersize set, designed to fit engines that have been previously machined to that specification. King has been specializing in bearings since 1960, focusing on making them as high-quality as possible.

What makes these particular bearings stand out is their lead-free composite material. This makes them environmentally safe and well-suited for engines that don't operate under extremely high loads. The bi-metal aluminum construction offers a good balance of strength and thermal conductivity, which is important for keeping your engine running smoothly. They're designed to fit right in place, making the installation process straightforward for mechanics who know their way around an engine rebuild.

This set fits a wide range of Audi and Volkswagen vehicles, from older models like the Audi 4000 and VW Golf to newer ones like the Audi TT and VW Beetle. Make sure to check the full fitment list to confirm compatibility with your specific car.