What is the difference between the 25mm and 22mm main bearings in this kit?

The kit includes two main bearings sized 25 x 52 x 15 mm and two sized 22 x 52 x 15 mm. These different sizes are designed to fit specific locations within the engine block to support the crankshaft correctly.

Are these bearings ready to install right out of the box?

Yes, these bearings are inspected for accuracy, function, and cleanliness by the manufacturer, meaning they are ready for installation to ensure efficient and reliable service.

What does it mean that these are made by OEM suppliers?

It means that many of the same factories that produce parts for your vehicle's original manufacturer also make these Wiseco bearings. This often indicates a high level of manufacturing standards and quality control.

Wiseco 25x52x15 & 22x52x15 Main Bearing Kit

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Specifications

Brand: Wiseco
Part #: BK5063
UPC: 193564103918

Wiseco 25x52x15 & 22x52x15 Main Bearing Kit

Name: Wiseco 25x52x15 & 22x52x15 Main Bearing Kit
Brand: Wiseco
Price: 73.56 USD
Availability: InStock

$73.56

On Backorder

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

Wiseco 25x52x15 & 22x52x15mm Main Bearing Kit. Get reliable engine service with bearings made by OEM suppliers.

Key Features

This kit includes main bearings measuring 25x52x15mm and 22x52x15mm.
Manufactured by many of the same suppliers that produce parts for original equipment manufacturers.
Precision machined and finished with quality materials.
Each bearing is inspected for accuracy, function, and cleanliness.
Designed for efficient and reliable engine service.

⚠️ 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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Will this fit your vehicle?

Product Details

This kit gets you a set of main bearings for your engine rebuild, specifically two bearings measuring 25 x 52 x 15 mm and two measuring 22 x 52 x 15 mm. These are crucial for keeping your crankshaft spinning smoothly and in the correct position within the engine block. This Wiseco kit is a solid option for a wide range of vehicles, including models like the KTM 85 SX and Husqvarna TC85.

Wiseco sources these bearings from many of the same manufacturers that supply the original equipment manufacturers, including leading Japanese companies. Each bearing is carefully machined and finished using quality materials. Before they ship out, they're inspected for accuracy, proper function, and cleanliness to ensure they'll perform reliably in your engine.