• King Engine Bearings Main Bearing Set | Subaru WRX / STI EJ20/EJ22/EJ25 (MB5220XPSTDX)
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King Engine Bearings Main Bearing Set | Subaru WRX / STI EJ20/EJ22/EJ25 (MB5220XPSTDX)

King Engine Bearings Main Bearing Set | Subaru WRX / STI EJ20/EJ22/EJ25 (MB5220XPSTDX)

MB5220XPSTDX

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$91.51 USD
$155.55 USD $91.51 USD
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The King Subaru WRX/STi EJ20, EJ22, and EJ25 Flange #3 Position Performance Main Bearing Set is a high-quality engine bearing kit designed to enhance engine durability and performance. Manufactured by King Engine Bearings, a company with a legacy dating back to 1960, these bearings are engineered for precision and reliability. The set features specific size STDX, ensuring optimal fit and function within the engine. Constructed with premium materials, these main bearings provide excellent wear resistance, thermal stability, and support for high-performance applications. They are ideal for rebuilds, upgrades, or restoring engine integrity, offering improved oil film stability and reduced friction for enhanced engine longevity.

This bearing set is compatible with Subaru WRX and STI models equipped with EJ20, EJ22, or EJ25 engines, typically from model years that utilize the #3 position flange. It is intended for use in performance-oriented street or track applications, where durability and precision are critical. The kit is a direct replacement for OEM bearings, ensuring straightforward installation without modifications. Suitable for professional rebuilds or enthusiast projects, these bearings help maintain engine integrity under demanding conditions, supporting high RPMs and increased power output.

Overview

King Engine Bearings Main Bearing Set

Fits Subaru WRX/STi EJ20, EJ22, EJ25 Engines

Part #: MB5220XPSTDX

Overview

The King Subaru WRX/STi EJ20, EJ22, EJ25 Flange #3 Position Performance Main Bearing Set is designed to provide high-quality engine support for Subaru enthusiasts and rebuilders. Crafted with precision and durability in mind, these bearings are essential for maintaining optimal engine performance and longevity. Whether you're restoring a stock engine or building a high-performance setup, this bearing set offers reliable support for your vehicle's crankshaft, ensuring smooth operation under demanding conditions. Engine builders and automotive professionals will appreciate the quality and consistency of these bearings, which help maintain proper clearance and reduce wear over time. The set is engineered to meet or exceed OEM standards, providing peace of mind during engine assembly or repair. Designed for enthusiasts who demand excellence, these bearings support your vehicle’s performance and durability.

Key Features

This bearing set features advanced materials and precise manufacturing to ensure optimal performance and reliability. Key features include:
  • High-strength alloy construction for durability and wear resistance
  • Engineered for precise fitment in Subaru EJ20, EJ22, and EJ25 engines
  • Designed to support high-performance applications and daily driving
  • Corrosion-resistant coatings to extend bearing life
  • Manufactured to strict quality control standards for consistency
  • Optimized for smooth operation and reduced engine noise

Construction & Design

These main bearings are crafted from high-quality alloys with advanced coating technology to enhance durability and reduce friction. The precise flange design ensures proper alignment and load distribution, supporting the crankshaft effectively during engine operation.

Installation & Fitment

Proper installation requires standard engine rebuild procedures. These bearings are designed as direct replacements for OEM parts, ensuring a straightforward fitment process for experienced technicians and rebuilders.

What’s Included

The package includes a complete set of main bearings for the specified engine position, providing all necessary components for a comprehensive rebuild or upgrade.

Ideal For

Perfect for Subaru WRX and STI owners, engine rebuilders, and performance enthusiasts seeking reliable, high-quality bearings to support their vehicle’s engine longevity and performance.
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