Engines and Components› Engine Bearings

King Engine Bearings

XP Main Bearing Set

$116.50

SKU: kingMB5566XP

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The King Engine Bearings MB5566XP is a set of performance main bearings designed for internal combustion engines. King Engine Bearings specializes in producing bearings for a wide range of applications, including automobiles, trucks, marine, and aviation.
Show original supplier description
As a specialist in engine bearings since 1960, King Engine Bearings utilizes advanced designs and the highest quality materials in their products. This specific set is part of their XP performance line, indicating enhanced capabilities for demanding applications. These main bearings are crafted from a durable tri-metal material, chosen for its resilience and performance characteristics. King Engine Bearings emphasizes a vertically integrated manufacturing process, from concept to final product, all completed under one roof. This approach allows for greater efficiency and accuracy, supported by proprietary manufacturing machinery and high-speed production lines. Each King bearing undergoes rigorous quality control checkpoints throughout the manufacturing process. This stringent system ensures that only the highest quality bearings reach the customer. The company's expertise, honed in demanding sectors like aviation and racing, is directly applied to their aftermarket offerings, making them a trusted choice for those seeking superior engine components for automobiles, light-duty and heavy-duty trucks, marine, aviation, and standby power applications.

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

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Specifications

BrandKing Engine Bearings
Part NumberkingMB5566XP
CategoryEngines and Components

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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.

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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.

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