What does the +0.25mm sizing mean for these rod bearings?

The +0.25mm sizing indicates that these bearings are intended for use on a crankshaft that has been machined down by 0.25mm. This is common during engine rebuilds when journals are resurfaced to ensure a smooth mating surface.

What is the advantage of the lead-free composite material?

The lead-free composite material is an environmentally safer alternative to traditional bearing materials. It's designed to perform well in medium-load engine applications, offering durability and good performance.

Are these bearings suitable for high-performance or racing engines?

These bearings are ideal for medium-load engines. For high-performance or racing applications, it's always best to consult the manufacturer's specific recommendations for those types of builds.

Specifications

Brand: King Engine Bearings
Part #: CR4533SI0.25
UPC: 611500541230

King Engine Bearings Nissan QR25DE DOHC 16 Valves (Size +0.25) Rod Bearing Set

Name: King Engine Bearings Nissan QR25DE DOHC 16 Valves (Size +0.25) Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-nissan-qr25de-dohc-16-valves-size-0-25-t14-280144
Price: 37.11 USD
Availability: BackOrder

$37.11

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King Engine Bearings rod bearing set for Nissan QR25DE engines. Features lead-free composite for medium-load engines.

Key Features

Fits a wide range of Nissan and Suzuki vehicles including Altima, Frontier, and Rogue.
Rod bearing set sized +0.25mm for machined crankshaft journals.
Features a lead-free, environmentally safe composite material.
Ideal for medium-load engines.
Constructed with a bi-metal aluminum 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 QR25DE engine, getting the right rod bearings is crucial for long-term health. This set from King Engine Bearings is specifically made for the QR25DE DOHC 16-valve engine, and it's sized +0.25mm, meaning it's meant for crankshaft journals that have been machined down by that amount. King has been specializing in bearings since 1960, focusing on making them as good as they can be.

These particular bearings use a lead-free composite material, which is an environmentally safe option that works well in medium-load engines like many found in vehicles such as the Nissan Altima, Frontier, and Rogue. They are constructed with a bi-metal aluminum material, offering a solid foundation for your engine's rotating assembly. This set is designed to fit right into a range of Nissan and Suzuki vehicles, making it a popular choice for engine rebuilds.