What does the STDX designation mean for these bearings?

The STDX designation typically refers to a specific performance characteristic of the bearing, often related to its material composition and intended use for more demanding applications. It suggests a well-built component designed for reliable performance.

What is the importance of main bearings in an engine?

Main bearings support the crankshaft within the engine block, allowing it to rotate smoothly. They are critical for maintaining proper oil clearance and ensuring the crankshaft is held securely in place under load.

What should I consider during installation?

It's important to follow the manufacturer's installation instructions carefully. This includes ensuring proper oil clearances are met and torquing the main caps to the manufacturer's specifications to ensure optimal performance and durability.

Specifications

Brand: King Engine Bearings
Part #: MB5009XPSTDX
UPC: 611500614521

King Engine Bearings Ford Fiesta 1.25I (ZETec/Ecoboost 1.6) (Size STDX) Main Bearing Set

Name: King Engine Bearings Ford Fiesta 1.25I (ZETec/Ecoboost 1.6) (Size STDX) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-fiesta-1-25i-zetec-ecoboost-1-6-s-t14-770463
Price: 121.31 USD
Availability: BackOrder

$121.31

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King Engine Bearings Main Bearing Set MB5009XPSTDX. For Ford Fiesta 1.25I (Zetec/Ecoboost 1.6).

Key Features

Main bearing set for Ford Fiesta 1.25I (Zetec/Ecoboost 1.6) engines.
STDX size designation indicates specific performance characteristics.
Well-built with advanced materials for reliable engine performance.
Designed for proper oil clearance and crankshaft support.

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About this part

Product Details

If you're rebuilding the bottom end of your Ford Fiesta with the 1.25I (Zetec/Ecoboost 1.6) engine, a fresh set of main bearings is crucial. These King Engine Bearings are designed to handle the demands of keeping your crankshaft spinning smoothly and within proper tolerances. They are a well-built component that plays a vital role in the overall health and longevity of your engine.

The STDX designation on these bearings indicates a specific performance characteristic, often related to their material composition and intended use for more demanding applications. King uses advanced materials and manufacturing techniques to ensure these bearings offer reliable performance. They are made to fit right, ensuring proper oil clearance and support for the crankshaft under various operating conditions.

When you're putting an engine back together, using reliable internal components like these King main bearings is key to a successful rebuild. Make sure to follow the manufacturer's installation instructions carefully, paying close attention to oil clearances and torque specifications to ensure optimal performance and durability.