Engines and Components Engine Bearings

King Bearings

King Connecting Rod Bearings

$114.99

SKU: CR6640XP

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The King CR6640XP is a set of performance connecting rod bearings designed for BMW M20, M50, M52, and M54 engines with 2.0L, 2.5L, or 2.7L displacements.

Their manufacturing process is done entirely in-house, ensuring efficiency, accuracy, and rigorous quality control.
Show original supplier description
The King CR6640XP is a performance-oriented set of connecting rod bearings engineered for specific BMW engines, including the M20, M50, M52, and M54 series with 2.0L, 2.5L, and 2.7L displacements. These bearings are manufactured in Israel to exacting performance standards, ensuring reliability and durability for demanding applications. Founded in 1960, King Engine Bearings specializes exclusively in engine bearings, developing a comprehensive product line for a wide array of applications, from passenger cars and trucks to marine and aviation engines. The company emphasizes the use of superior materials and cutting-edge designs to achieve complete customer satisfaction. Their commitment to quality is underscored by an integrated manufacturing process and stringent quality control checkpoints at every stage of production. King Engine Bearings is a preferred choice in high-stakes industries such as racing and aviation, leveraging the knowledge gained from these demanding sectors to enhance their aftermarket offerings. This dedication to innovation and quality results in bearings that meet the rigorous requirements of performance enthusiasts and professional mechanics alike.
Vehicle Symptoms
  • Loud knocking noise from engine
  • Oil pressure warning light on
  • Metallic debris in oil
  • Engine vibration at idle
  • Loss of engine power
Relevant Conversations
  • BMW M20 rod knock fix
  • M50 engine knocking noise
  • King CR6640XP rod bearing review
  • Replace connecting rod bearings symptoms
  • Engine knock after oil change
  • How to tell if rod bearings are bad
  • M54 rod bearing upgrade
  • Best rod bearings for BMW 2.5L
  • Connecting rod bearing noise diagnosis
  • King Engine Bearings vs OEM

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandKing Bearings
Part NumberCR6640XP
CategoryEngines and Components

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy