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 to ensure a proper fit and oil clearance.

What is the pmax black racing material?

Pmax black is a specialized bearing material developed by King Engine Bearings. It's known for its strength and ability to handle high loads and temperatures, making it a popular choice for performance and racing applications where engine stress is higher.

Do these bearings come with new rod bolts?

This product is a set of connecting rod bearings only. New connecting rod bolts are typically recommended for engine rebuilds, but they are not included with this bearing set. Please check the manufacturer's recommendations for your specific engine build.

Specifications

Brand: King Engine Bearings
Part #: CR6640XPC0.25
UPC: 611500612770

King Engine Bearings BMW M20/M50 2.0L/2.5L/2.7L (Size +0.25mm) Connecting Rod Bearing Set

Name: King Engine Bearings BMW M20/M50 2.0L/2.5L/2.7L (Size +0.25mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-bmw-m20-m50-2-0l-2-5l-2-7l-size-0-25mm-t14-770006
Price: 221.38 USD
Availability: BackOrder

$221.38

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King Engine Bearings BMW M20/M50 2.0L/2.5L/2.7L (Size +0.25mm) Connecting Rod Bearing Set. A well-built replacement for your engine rebuild.

Key Features

Fits a wide range of BMW M20 and M50 engines, including models like the 325i, 525i, and Z3.
This set is +0.25mm oversize, intended for use with machined crankshaft journals.
Constructed with King's pmax black racing material for improved durability and oil control.
Designed as a direct replacement for connecting rod bearings in compatible BMW engines.

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About this part

Product Details

If you're rebuilding the engine in your BMW M20 or M50, you'll need a solid set of connecting rod bearings. This set from King Engine Bearings is built to fit a range of BMW models, including the 325i, 525i, and Z3, with 2.0L, 2.5L, or 2.7L engines.

These bearings are a +0.25mm oversize, meaning they're designed to be used when the crankshaft journals have been machined down by that amount. King uses their pmax black racing material for these bearings, which is a well-known choice for performance applications. This material offers good durability and helps manage oil flow effectively, which is crucial for keeping your engine running smoothly under load.

When you're putting an engine back together, using bearings that fit right and are made from good materials makes a big difference. This set is a popular option for BMW owners looking to restore or enhance their engine's performance.