What is the STDX size designation?

The STDX designation indicates a specific undersize for the main bearings. This size is important for proper clearance and fitment within the engine block, especially when rebuilding or modifying an engine.

What is PMaxBlack technology?

PMaxBlack is a technology developed by King Engine Bearings that enhances the load capacity of the bearings. This is beneficial for performance applications where engines are subjected to higher stresses.

Does this bearing set come with all necessary components for installation?

This product is a main bearing set. It is recommended to consult the manufacturer's installation instructions or a qualified mechanic to determine if any additional hardware or components are required for proper installation.

Specifications

Brand: King Engine Bearings
Part #: MB5209XPSTDX
UPC: 611500567100

King Mitsubishi 4G63/4G64 7 Bolt 2nd Gen DSM and EVO I-IV Performance Main Bearing Set - Size STDX

Name: King Mitsubishi 4G63/4G64 7 Bolt 2nd Gen DSM and EVO I-IV Performance Main Bearing Set - Size STDX
Brand: King Engine Bearings
SKU: king-engine-bearings-king-mitsubishi-4g63-4g64-7-bolt-2nd-gen-dsm-and-evo-i-iv-p-t14-260665
Price: 119.64 USD
Availability: BackOrder

$119.64

On Backorder — Expected to ship by Sep 16, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

King Engine Bearings performance main bearing set for Mitsubishi 4G63/4G64 engines. Size STDX.

Key Features

Fits Mitsubishi 4G63 and 4G64 7-bolt 2nd Gen DSM and EVO I-IV engines.
Also fits Chrysler Sebring (2001-2005), Dodge Stratus (2001-2005), Eagle Talon (1998), Mitsubishi Eclipse (1995-1998), Mitsubishi Galant (2004), and Mitsubishi Lancer (2005-2006).
Constructed with a tri-metal copper-based material for a solid foundation.
Features PMaxBlack technology for improved load capacity.
Includes Radialock design for optimal crush height.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

King Engine Bearings has been a specialist in engine bearings since 1960, focusing on supplying the highest quality bearings available. This performance main bearing set, part number MB5209XPSTDX, is designed for Mitsubishi 4G63 and 4G64 engines, specifically the 7-bolt 2nd Gen DSM and EVO I-IV models. It also fits a range of other vehicles, including the Chrysler Sebring and Dodge Stratus from 2001-2005, and the Mitsubishi Eclipse from 1995-1998.

This set utilizes a tri-metal copper-based material for its construction, offering a strong foundation for durability. It features PMaxBlack technology, which helps provide superior load capacity, crucial for performance applications. Additionally, the Radialock design helps ensure optimal crush height, a key factor for proper bearing seating and function within the engine block. These features work together to support the demanding needs of performance engines.