What does STDX sizing mean for these bearings?

STDX sizing indicates that these main bearings are manufactured to be slightly undersize compared to standard dimensions. This allows for fine-tuning of bearing clearances during engine assembly, which is critical for proper oil film formation and engine longevity.

What is the PMaxBlack overlay and Radialock design?

PMaxBlack is a specialized overlay applied to the bearing surface, engineered to provide superior load capacity, making it suitable for performance applications. Radialock is a design feature that helps maintain the correct crush height of the bearing, ensuring it seats properly in the engine block.

Are these bearings suitable for a performance engine build?

Yes, the PMaxBlack overlay and tri-metal copper-based construction are designed for enhanced load capacity and durability, making them a strong choice for performance-oriented engine builds where increased stress is expected.

Specifications

Brand: King Engine Bearings
Part #: MB5568XPSTDX
UPC: 611500568893

King Engine Bearings Acura D16A1/97-01 Honda H22A4/98+ F23A Performance Main Bearing Set - Size STDX

Name: King Engine Bearings Acura D16A1/97-01 Honda H22A4/98+ F23A Performance Main Bearing Set - Size STDX
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-acura-d16a1-97-01-honda-h22a4-98-f23a--t14-260695
Price: 81.41 USD
Availability: InStock

$81.41

Only 1 left in stock

King Engine Bearings performance main bearing set for Honda and Acura. Size STDX. Features PMaxBlack for superior load capacity.

Key Features

Fits 1986-2015 Acura and Honda vehicles, including Civic, Accord, Prelude, and CR-V.
Main bearing set with STDX sizing for precise engine clearance adjustment.
Features PMaxBlack overlay for improved load capacity.
Incorporates Radialock design for optimal crush height.
Constructed with a tri-metal copper-based material.

⚠️ 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

If you're rebuilding the bottom end of your Honda D-series, F23A, F23Z, or 16V engine, this main bearing set from King Engine Bearings is a solid option. King has been specializing in engine bearings since 1960, focusing on supplying well-built components for a wide range of vehicles. This particular set is sized STDX, which is a specific undersize measurement for fine-tuning engine clearances during a rebuild.

These bearings feature King's PMaxBlack overlay, which is designed to handle higher loads than standard bearings. They also incorporate the Radialock design, helping to maintain optimal crush height for a snug fit within the engine block. The tri-metal copper-based material offers a good balance of strength and conformability, crucial for proper oil film formation and bearing protection.

This set fits a variety of Honda and Acura models, including popular choices like the 1988-2005 Honda Civic, 1997-2001 Honda Prelude, and 1998-1999 Acura CL. Ensure you check the full fitment list to confirm compatibility with your specific application.