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

The +0.25mm sizing indicates that these bearings are intended for use when the engine's crankshaft has been machined down by 0.25mm. This is a common practice during engine rebuilds to correct wear or achieve specific bearing clearances.

What is the pMax Black material?

The pMax Black material is a tri-metal construction used by King Engine Bearings. It's known for its improved strength and durability, making it suitable for performance engines that experience higher loads and temperatures.

Are these bearings suitable for a stock engine rebuild?

While these bearings are built with performance in mind due to the pMax Black material, they are a direct fit for the specified Audi and VW engines. They can be used in a stock rebuild if you are looking for a well-built bearing with improved durability over standard options.

Specifications

Brand: King Engine Bearings
Part #: MB5661XP0.25
UPC: 611500593543

King Engine Bearings Audi / VW ADZ/AWT/APK (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Audi / VW ADZ/AWT/APK (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-audi-vw-adz-awt-apk-size-0-25mm-main-b-t14-225381
Price: 135.91 USD
Availability: BackOrder

$135.91

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King Engine Bearings main bearing set for Audi/VW ADZ, AWT, APK, BHP, BPY, AKS engines. Size +0.25mm.

Key Features

Fits a wide range of Audi and Volkswagen models with ADZ, AWT, APK, BHP, BPY, and AKS engines.
Main bearing set sized at +0.25mm for use with a machined crankshaft.
Constructed with King's pMax Black tri-metal material, offering improved strength and durability.
Designed for performance applications where higher loads and temperatures are expected.

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About this part

Product Details

If you're rebuilding the bottom end of your Audi or Volkswagen engine, especially those with ADZ, AWT, APK, BHP, BPY, or AKS engine codes, a fresh set of main bearings is critical. These King Engine Bearings main bearings are built with their pMax Black tri-metal material, which is a popular choice for performance applications because it offers improved strength and durability under demanding conditions.

This set is specifically sized at +0.25mm, meaning they are intended for crankshafts that have been machined down by that amount to correct wear or achieve a specific clearance. The pMax Black material is known for its ability to handle higher loads and temperatures, making it a solid option for engines that see spirited driving or are being built for increased power. King Engine Bearings is a well-known name in the performance bearing market, and this set is designed to fit right into your engine rebuild.