What does the STDX size mean for these bearings?

The STDX size indicates that these bearings are 0.0005 inches larger in diameter than standard bearings. This is often used to help compensate for wear on the crankshaft journals.

What material are these bearings made from?

These bearings feature a high-performance overlay material bonded to a steel backing. This construction is designed for strength and durability under engine stress.

Are these bearings a direct replacement for the original equipment?

While designed to fit Chrysler 300 SRT8 models, the STDX size is an undersize bearing. It's intended for use when crankshaft journals have been machined to a specific undersize, or to help restore oil clearance in worn engines.

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Specifications

Brand: King Engine Bearings
Part #: MB5840XPCSTDX
UPC: 611500620751

King Engine Bearings Chrysler 300 Srt8 (Size STDX) Main Bearing Set

Name: King Engine Bearings Chrysler 300 Srt8 (Size STDX) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-300-srt8-size-stdx-main-beari-t14-771017
Price: 94.22 USD
Availability: BackOrder

$94.22

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 main bearing set for Chrysler 300 SRT8.
The bearings are STDX size, which is 0.0005 inches larger than standard.
Features a high-performance overlay material for durability.
Built with a strong steel backing for structural integrity.

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About this part

Product Details

The STDX size designation on these King Engine Bearings main bearing set means they are 0.0005 inches larger than standard. This slight increase in diameter is often used to help restore proper oil clearance in engines with worn crankshaft journals, allowing you to get more life out of your engine block. This set is specifically made for Chrysler 300 SRT8 models.

King Engine Bearings uses a high-performance overlay material that's designed to handle the stresses of performance engines. The overlay is bonded to a steel backing for strength, and the bearings are precision-machined to ensure they fit right and function as intended. This set is a solid option if you're rebuilding the bottom end of your SRT8 and need reliable main bearings.