What does the +0.25mm size mean for these bearings?

The +0.25mm sizing indicates that these bearings are intended for use when the engine's crankshaft journals have been machined down by 0.25mm. This is a common practice during engine rebuilds to ensure a proper fit with new bearings.

What is the advantage of the bi-metal aluminum material?

Bi-metal aluminum construction is well-regarded in bearings for its excellent thermal conductivity, meaning it dissipates heat effectively. It also offers good strength, which is essential for handling the loads placed on connecting rod bearings.

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

These bearings are described as 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 #: CR6751SI0.25
UPC: 611500412585

King Engine Bearings Ford 155 (Size +0.25mm) Connecting Rod Bearing Set

Name: King Engine Bearings Ford 155 (Size +0.25mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-155-size-0-25mm-connecting-rod-be-t14-770061
Price: 28.12 USD
Availability: BackOrder

$28.12

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King Engine Bearings CR6751SI0.25 connecting rod bearing set. Lead-free composite for medium-load engines.

Key Features

Fits 19+ vehicle make/model combinations.
Size is +0.25mm, intended for use with machined crankshaft journals.
Constructed with a lead-free, environmentally safe composite material.
Features a bi-metal aluminum construction.
Ideal for medium-load engines.

⚠️ 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

Built with a lead-free, environmentally safe composite material, these King Engine Bearings connecting rod bearings are a solid option for medium-load engines. They feature a bi-metal aluminum construction, which is a well-known material for its thermal conductivity and strength in bearing applications. This set is specifically sized at +0.25mm, meaning they are intended for use when the crankshaft journals have been machined down by that amount during an engine rebuild.

King Engine Bearings has been specializing in engine bearings since 1960, focusing on supplying well-built components. This particular set is designed to fit a wide range of vehicles, including popular models like the Ford Taurus, Mazda 6, and Jaguar S-Type. When rebuilding an engine, ensuring the proper fit and material for your bearings is crucial for long-term reliability and performance.