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King Engine Bearings MB5840XP Main Bearing Set Trimetal pMax Black

(Jeep Grand Cherokee 2006-10, 2012-21, Wrangler 2021-23, 2025; Ram 1500 2021-24, 2500 2014-24; Dodge Durango 2021, Charger 2006-10, 2012-22 + 3 more models)

Manufacturer

Part Number

MB5840XP
Sale Price

$64.71

In Stock (5)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The King Engine Bearings MB5840XP is a high-performance main bearing set engineered for demanding racing and high-output engine applications. These race-grade bearings feature King's advanced pMax Black coating, a proprietary polymer-based surface treatment that provides exceptional wear resistance and reduced friction during critical start-up and high-load conditions.

Key Features:

  • Trimetal construction with steel backing, aluminum-tin alloy intermediate layer, and pMax Black overlay for superior strength and durability
  • pMax Black polymer coating reduces friction and protects against wear during boundary lubrication conditions
  • Race bearing design optimized for high-performance and competition engines
  • Precision manufactured to tight tolerances for consistent oil clearances
  • Compatible with Chrysler 300 SRT8 and other 5.7L/6.1L/6.4L Hemi V8 applications
  • Designed to handle increased loads from modified engines with higher horsepower and RPM

King Engine Bearings are a trusted choice among engine builders and performance enthusiasts for their quality construction and proven reliability in extreme conditions. The XP (Xtreme Performance) series represents King's top-tier race bearing technology for maximum durability and performance.

Products specifications

Fits

Jeep Grand Cherokee 2006-10, 2012-21, Wrangler 2021-23, 2025; Ram 1500 2021-24, 2500 2014-24; Dodge Durango 2021, Charger 2006-10, 2012-22, Challenger 2008-22, Magnum 2006-08; Chrysler 300 2005-10, 2012-14, 2023

Undersize

STD

Material

pMax Black (racing line)

Prop 65

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

Application

Race

Title

King Bearings

Low prices and great products, thanks!

Fast delivery! Box a little shuffled but radiator was packaged well and seem to be OK. So far very satisfied. Haven't installed yet but will update feedback if need be. Thanks for the fast service!

First order and so far, so good. Easy to find the part I needed for my Honda Accord. Ordering was easy as well.

Quick, easy, best price I could find!

1st time buyer. Soooooooo easy

Yahoooooooooooooooooo !!!!!!

first time customer,,smooth so well

The experience was great thank you.

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