What is the pmax black racing line?

The pmax black racing line from King Engine Bearings utilizes a tri-metal construction. This design is intended to handle higher loads and temperatures commonly encountered in performance or racing engine builds.

Are these bearings a direct replacement for stock?

These are performance bearings from King's racing line and are an optional upgrade. They are designed to fit standard size applications for the specified BMW engines, offering improved performance characteristics over standard bearings.

What is the difference between these and MB5578AM bearings?

The MB5082XP bearings are part of the pmax black racing line, featuring a tri-metal construction. The MB5578AM are also race bearings, and the MB5082XP is listed as an optional upgrade to them.

Specifications

Brand: King Engine Bearings
Part #: MB5082XP
UPC: 611500573118

King Engine Bearings BMW M40/M42/M43 (Size STD) Performance Main Bearing Set

Name: King Engine Bearings BMW M40/M42/M43 (Size STD) Performance Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-bmw-m40-m42-m43-size-std-performance-m-t14-4387315
Price: 229.40 USD
Availability: BackOrder

$229.40

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Fits BMW M40, M42, M43 engines. King Engine Bearings standard size performance main bearing set.

Key Features

Fits BMW M40, M42, and M43 engines.
Standard (STD) size main bearing set.
Part of King's pmax black racing line.
Features a tri-metal construction for performance applications.
Designed as an optional upgrade for racing applications.

This main bearing set is designed for BMW M40, M42, and M43 engines with 1.6L and 1.8L displacements.

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About this part

Product Details

If you're working on a BMW M40, M42, or M43 engine, specifically the 1.6L or 1.8L variants, this standard size main bearing set from King Engine Bearings is a solid option. These bearings are part of King's pmax black racing line, meaning they're built with a tri-metal construction designed for higher performance applications. They are an optional upgrade over the MB5578AM race bearings.

The pmax black material is chosen for its ability to handle increased loads and temperatures often found in performance builds or when rebuilding an engine for maximum reliability. While they are a racing line, they offer a well-built solution for enthusiasts looking for improved durability and performance from their engine's core components. This set is for standard size applications, ensuring a precise fit on your crankshaft journals.