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King Engine Bearings MB5803XP Main Bearing Set For Bmw S65b40a

(2008-2013 BMW M3)

Part of: King Engine Bearings Main Bearing Set Oversize

Other options in this family: King Engine Bearings MB5835SI0.5 King Engine Bearings MB5557SI0.75 King Engine Bearings MB4102SI0.25 King Engine Bearings MB5280SI0.5 King Engine Bearings MB5770SI0.25

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB5803XP
5 reviews
Sale Price

$412.21

In Stock (10)

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Usually delivered within 2 days

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Product Details

The King Engine Bearings MB5803XP is a high-performance main bearing set engineered specifically for the BMW S65B40A engine, found in the E90/E92 M3. This race-quality bearing set features King's advanced pMax Black coating, a proprietary polymer coating that provides exceptional wear resistance and friction reduction during critical engine startup and high-load conditions.

Key Features:

  • Application-specific design for BMW S65B40A 4.0L V8 engine
  • Tri-metal construction with hardened steel backing, copper-lead intermediate layer, and pMax Black overlay
  • pMax Black coating delivers superior embedability and conformability
  • Race-proven performance for high-RPM and high-load applications
  • Enhanced fatigue strength and seizure resistance
  • Tighter tolerances for precision engine builds
  • Complete main bearing set for full crankshaft support

King Engine Bearings are a trusted choice among professional engine builders and motorsports enthusiasts for their consistent quality and durability. The MB5803XP set is ideal for performance rebuilds, racing applications, and high-output BMW S65 builds where reliability under extreme conditions is essential.

Products specifications

Fits

2008-2013 BMW M3

Undersize

STD

Material

pMax Black (racing line)

Title

King Bearings

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Application

Race

I called to find out about delivery time and they were responsive. The package got here quicker than I expected.

Very easy shopping experience. Saved a couple of bucks vs. Amazon

very nice

Easily found parts needed, prices were great !

Easy to use website, would use again. Had the hard to find part I needed.

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