What does the STDX size mean for these bearings?

The STDX designation indicates that these main bearings are 0.001 inch undersize compared to standard specifications. This is important to verify against your crankshaft journal measurements during your engine rebuild.

What is the PMaxBlack overlay and Radialock design?

PMaxBlack is a material overlay designed by King Engine Bearings to handle superior load capacity. Radialock refers to their design that helps achieve optimal crush height, ensuring a secure fit within the engine block.

What is the primary material of these bearings?

These main bearings are constructed with a tri-metal copper-based material. This composition is chosen for its strength and durability in engine bearing applications.

Specifications

Brand: King Engine Bearings
Part #: MB7008XPSTDX
UPC: 611500553165

King Engine Bearings Nissan 2.5L RB25DET 24V (Size STDX) Performance Main Bearing Set

Name: King Engine Bearings Nissan 2.5L RB25DET 24V (Size STDX) Performance Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-nissan-2-5l-rb25det-24v-size-stdx-perf-t14-4389193
Price: 153.29 USD
Availability: BackOrder

$153.29

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King Engine Bearings Nissan 2.5L RB25DET 24V (Size STDX) Performance Main Bearing Set. Built for superior load capacity and optimal crush height.

Key Features

Fits Nissan 2.5L RB25DET 24V engines.
STDX size is 0.001 inch undersize for crankshaft journals.
Features PMaxBlack overlay for superior load capacity.
Radialock design helps achieve 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 Nissan RB25DET engine, getting the main bearings right is crucial for long-term reliability. This set from King Engine Bearings is built specifically for that purpose, offering a well-built solution for your performance build. They specialize in bearings, so you know they're focused on getting the details right.

These bearings feature King's PMaxBlack overlay, which is designed to handle superior load capacity, making them a solid option for engines that see hard use. They also incorporate the Radialock design, which helps achieve optimal crush height for a snug fit within the block. The tri-metal copper-based material provides a strong foundation for smooth operation and durability.

This set is the STDX size, meaning it's 0.001 inch undersize. Make sure this is the correct size for your specific crankshaft journal measurements during your rebuild.