What does '+0.25mm' mean for these bearings?

The '+0.25mm' indicates that these bearings are designed for a crankshaft that has been machined down by 0.25mm. This is a common practice during engine rebuilds to achieve proper oil clearance when the crankshaft journals have been ground undersize.

What is the XP overlay on these bearings?

The XP overlay is a high-performance material used by King Engine Bearings. It's known for its exceptional durability and ability to withstand high loads and temperatures, making it suitable for demanding engine applications.

Are these bearings sold individually or as a set?

This is a set of main bearings, specifically for the #1, #3, and #5 positions. You will receive the necessary bearings for these locations in one package.

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Specifications

Brand: King Engine Bearings
Part #: MB1334XP0.25-3
UPC: 611500623042

King Engine Bearings Kawasaki ZX-14R (2012-) #1/3/5 (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Kawasaki ZX-14R (2012-) #1/3/5 (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-kawasaki-zx-14r-2012-1-3-5-size-0-25mm-t14-770246
Price: 12.25 USD
Availability: BackOrder

$12.25

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Key Features

This is a +0.25mm undersize main bearing set.
Features King's XP high-performance overlay for improved durability.
Designed for the #1, #3, and #5 main bearing positions.
Compatible with Kawasaki ZX-14R models from 2012 onwards.

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About this part

Product Details

This King Engine Bearings main bearing set is built with an XP high-performance overlay, a material known for its exceptional durability and ability to handle high loads. Specifically, this set is sized at +0.25mm, meaning it's designed for crankshafts that have been machined down by 0.25mm during an engine rebuild. This is a critical detail for ensuring proper oil clearance and optimal performance when rebuilding the engine in your Kawasaki ZX-14R from 2012 onwards.

King's XP bearings are a popular choice for performance applications because they offer improved resistance to wear and fatigue compared to standard bearings. The specific design for the #1, #3, and #5 main positions ensures a precise fit and function within the engine block. When you're rebuilding the bottom end, getting the bearing clearances just right is key to engine longevity and power delivery, and this set helps you achieve that with well-built components.