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

The +0.25mm sizing indicates that these bearings are intended for use when the crankshaft has been machined down by 0.25mm. This is a common practice during engine rebuilds to correct wear or out-of-round conditions on the crankshaft journals.

What is the XP material used in these bearings?

XP stands for Extra Performance. It's a tri-metal material developed by King Engine Bearings that offers enhanced strength and durability, making it suitable for high-performance engines that experience higher loads and temperatures.

What specific bearings are included in this set?

This set includes the main bearings designated as #2 and #4. These are crucial components for supporting the crankshaft within the engine block.

Specifications

Brand: King Engine Bearings
Part #: MB1335XP0.25-4
UPC: 611500623158

King Engine Bearings Kawasaki ZX-14R (2012-) #2/4 (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Kawasaki ZX-14R (2012-) #2/4 (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-kawasaki-zx-14r-2012-2-4-size-0-25mm-m-t14-770257
Price: 13.54 USD
Availability: BackOrder

$13.54

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King Engine Bearings Kawasaki ZX-14R (2012-) #2/4 (Size +0.25mm) Main Bearing Set. A +0.25mm undersize set for engine rebuilding.

Key Features

This is a +0.25mm undersize main bearing set.
Features King's XP (Extra Performance) tri-metal material for improved strength and durability.
Designed for Kawasaki ZX-14R models from 2012 onwards.
Includes main bearings #2 and #4.

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About this part

Product Details

This King Engine Bearings main bearing set is built with their XP (Extra Performance) material, a tri-metal design that offers improved strength and durability for high-performance applications. Specifically, this set is sized at +0.25mm, meaning it's intended for crankshafts that have been machined down by 0.25mm during an engine rebuild. This is a critical component for ensuring proper oil clearance and reducing friction between the crankshaft and the engine block.

The XP material is known for its ability to handle higher loads and temperatures compared to standard bearings. This makes it a solid option for rebuilding the engine in your Kawasaki ZX-14R, especially if you're looking for reliable performance. The set includes the #2 and #4 main bearings, which are essential for supporting the crankshaft's rotation within the crankcase.