What is the size of these main bearings?

These are standard size main bearings, indicated by 'STD' in the part number. They are designed to fit crankshafts that have not been machined or modified beyond their original factory specifications.

What does the 'XP' in the part number signify?

The 'XP' designation typically refers to King Engine Bearings' specific material compositions or advanced surface treatments. These are intended to improve the bearing's durability and reduce friction, which is beneficial for high-performance engines.

Are these bearings sold individually or as a set?

This is a set of main bearings. It includes the necessary bearings for the main journals of the crankshaft as specified by the part number and application.

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Specifications

Brand: King Engine Bearings
Part #: MB1337XPSTD-4
UPC: 611500623301

King Engine Bearings Kawasaki ZX-14 (2006-2011) #2/4 (Size STD) Main Bearing Set

Name: King Engine Bearings Kawasaki ZX-14 (2006-2011) #2/4 (Size STD) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-kawasaki-zx-14-2006-2011-2-4-size-std--t14-770282
Price: 12.44 USD
Availability: BackOrder

$12.44

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King Engine Bearings Main Bearing Set for Kawasaki ZX-14 (2006-2011). Part# MB1337XPSTD-4.

Key Features

Fits Kawasaki ZX-14 (2006-2011).
Standard size main bearing set.
King Engine Bearings brand.
Part number MB1337XPSTD-4.

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About this part

Product Details

This is a standard size main bearing set from King Engine Bearings, specifically for Kawasaki ZX-14 motorcycles made between 2006 and 2011. These bearings are crucial for the crankshaft, allowing it to spin smoothly within the engine block while handling significant loads. If you're rebuilding the engine on your ZX-14, replacing these bearings is a key step to ensuring proper oil pressure and long-term engine health.

King Engine Bearings are known for their well-built construction. This particular set is the standard size, meaning it's designed to fit crankshafts that are still within their original factory specifications. The XP designation often refers to specific material compositions or surface treatments King uses to improve durability and reduce friction, which is important for high-performance engines like the one in the ZX-14. Proper installation and ensuring clean oil are vital for these components to perform as intended.