King MB5382XPG Race Main Bearings for 2002-2021 Subaru WRX/STi EJ20/EJ25 Turbo

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Product Specification:

SKU:KINGMB5382XPG

MPN: MB5382XPG

UPC: 611500543340

Weight: 0.8 lb

Type: Bearings

Vehicle Fitment

2002-2005 Subaru WRX (EJ20, EJ25)
2006-2007 Subaru WRX (EJ25)
2008-2014 Subaru WRX (EJ25)
2004-2007 Subaru STi (EJ20, EJ25)
2008-2014 Subaru STi (EJ25)
2015-2021 Subaru STi (EJ25)
2004-2008 Subaru Forester XT (EJ25)
2009-2013 Subaru Forester XT (EJ25)
2005-2009 Subaru Outback XT (EJ25)
2005-2009 Subaru Legacy GT (EJ25)
2007-2009 Subaru Legacy GT Spec B (EJ25)

Features

pMaxBlack™ tri-metal overlay for enhanced load capacity
Race-grade construction with steel backing and bronze intermediate layer
Designed for high-performance applications including racing and heavy-duty use
Standard size (STD) for OEM crankshafts
Full grooved design for 360° oiling and improved lubrication
U-groove geometry to increase bearing surface area
Integrated oil slots for better oil distribution
Manufactured to precise tolerances for optimal fitment

Specifications

Part Number: MB5382XPG
Material: Tri-metal with pMaxBlack™ overlay
Size: Standard (STD)
Overlay Hardness: 18.1 HV
Fatigue Resistance: 17% greater than standard bearings
Load Capacity: 10,200 PSI
Groove Type: Full groove with U-groove design
Oil Slot: Integrated for improved oil distribution
Quantity: 5 pairs (positions 1-5)
Thrust Position: #5

Included Components

5x Main bearing pairs (positions 1-5)

Product Description

The King MB5382XPG race main bearing set is engineered for high-performance Subaru engines, including the EJ20, EJ22, and EJ25 turbo variants. These bearings feature King's proprietary pMaxBlack™ tri-metal overlay, providing enhanced load capacity and durability under extreme conditions. Designed for use with OEM crankshafts, they are ideal for racing, off-road, and other high-stress applications.

Manufactured to precise tolerances, these bearings ensure optimal oil clearance and reliable performance. The standard size (STD) is suitable for crankshafts without prior undersizing, making them a versatile choice for engine builders seeking durability and performance. Installation should be performed by a professional technician, with proper clearance checks and torque procedures followed to ensure optimal engine performance.