What does the STDX size mean for these bearings?

The STDX designation means these main bearings are 0.010 inch undersize. This is typically used when the engine's crankshaft journals have been machined down to compensate for wear or to achieve a specific clearance.

What is the XP tri-metal overlay?

King's XP bearings feature a unique tri-metal overlay. This advanced material is known for its enhanced durability and ability to handle higher loads, which is beneficial for performance engines like the BMW S62.

Are these bearings a direct replacement for the stock BMW S62 main bearings?

These are a direct replacement in terms of fitment for the BMW S62 engine block, but they are an undersize (STDX) set. You must ensure your crankshaft journals have been machined to match this 0.010 inch undersize specification.

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Specifications

Brand: King Engine Bearings
Part #: MB5872XPSTDX
UPC: 611500625657

King Engine Bearings BMW S62 (Size STDX) Main Bearing Set

Name: King Engine Bearings BMW S62 (Size STDX) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-bmw-s62-size-stdx-main-bearing-set-t14-432577
Price: 105.73 USD
Availability: BackOrder

$105.73

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King Engine Bearings S62 Main Bearing Set MB5872XPSTDX. This 0.010 inch undersize set is for rebuilding your S62 engine.

Key Features

This is a King Engine Bearings main bearing set for the BMW S62 engine.
The STDX size indicates these bearings are 0.010 inch undersize.
Features King's XP tri-metal overlay for improved durability and load capacity.
Designed to help maintain proper oil pressure and crankshaft support.

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About this part

Product Details

The STDX designation on this King Engine Bearings main bearing set means they are 0.010 inch undersize, which is crucial for engines that have been previously machined or require a tighter clearance. These bearings are specifically made for the BMW S62 engine, a high-performance V8 known for its power. When you're rebuilding the bottom end of an S62, getting the main bearings right is key to ensuring proper oil pressure and crankshaft support.

King uses a unique overlay material in their XP bearings, which is a high-performance tri-metal that offers improved durability and load-carrying capacity compared to standard bearings. This advanced material helps to reduce friction and wear, even under the demanding conditions of a performance engine. The precision sizing ensures they fit right into the S62 block, making installation straightforward for a mechanic familiar with engine builds.