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

The +0.25mm sizing indicates that these bearings are slightly larger than standard size. This is typically used when the engine's crankshaft journals have been machined down (ground) by 0.25mm to remove imperfections or wear, and these bearings will bring the clearance back to the correct specification.

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

The lead-free composite material is an environmentally safe option. It's designed to be suitable for medium-load engines, offering reliable performance while meeting environmental standards.

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 product lines designed for those more demanding conditions.

Specifications

Brand: King Engine Bearings
Part #: MB5427SI0.25
UPC: 611500481567

King Engine Bearings Honda L13A4/L15A (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Honda L13A4/L15A (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-honda-l13a4-l15a-size-0-25mm-main-bear-t14-770693
Price: 63.46 USD
Availability: BackOrder

$63.46

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Fits 2003-2005 Honda Civic. King Engine Bearings main bearing set, size +0.25mm. Ideal for medium-load engines.

Key Features

Fits 2003-2005 Honda Civic and 2007-2008 Honda Fit.
Main bearing set for Honda L13A4/L15A engines.
Size is +0.25mm.
Features a lead-free, environmentally safe composite material.
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

King Engine Bearings has been specializing in engine bearings since 1960, aiming to provide the highest quality available. This main bearing set, part number MB5427SI0.25, is specifically made for the Honda L13A4 and L15A engines found in models like the 2003-2005 Honda Civic and 2007-2008 Honda Fit.

This set features a lead-free, environmentally safe composite material, making it a good choice for medium-load engines. The bi-metal aluminum construction is well-built for reliable performance. This set is sized at +0.25mm, which is important to note if you are rebuilding or replacing worn bearings and need to account for previous machining or wear.