What is the main benefit of the silicon aluminum bi-metal material?

The silicon aluminum bi-metal material is chosen for its performance in medium-load engines. It helps provide consistent operation and durability for the main bearings.

Does this bearing set come with all the necessary components for installation?

This product is a main bearing set. It is recommended to consult the manufacturer's installation guide for a complete list of included components and any additional hardware or supplies that may be needed for proper installation.

What does 'STD' size mean for these bearings?

STD refers to the standard size for the main bearings. This means they are intended for crankshafts that have not been machined or ground to an undersize or oversize dimension.

King Engine Bearings Small Block Chevy (Size STD) Silicon Aluminum Bi-Metal Main Bearing Set

Specifications

Brand: King Engine Bearings
Part #: MB557SI
UPC: 611500404900

King Engine Bearings Small Block Chevy (Size STD) Silicon Aluminum Bi-Metal Main Bearing Set

Name: King Engine Bearings Small Block Chevy (Size STD) Silicon Aluminum Bi-Metal Main Bearing Set
Brand: King Engine Bearings
Price: 27.46 USD
Availability: InStock

$27.46

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King Engine Bearings Small Block Chevy (Size STD) Silicon Aluminum Bi-Metal Main Bearing Set. Ideal for medium-load engines.

Key Features

Fits 131+ vehicle make/model combinations.
Standard (STD) size main bearing set.
Silicon Aluminum Bi-Metal construction.
Lead-free, environmentally safe composite material.
Ideal for medium-load engines.

⚠️ 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

King Engine Bearings has been specializing in engine bearings since 1960, aiming to provide the highest quality available. This main bearing set, part number MB557SI, is a prime example of their focus. It's designed for Small Block Chevy engines and comes in a standard (STD) size, making it suitable for a wide range of vehicles including models like the Chevrolet Camaro, Buick Regal, and Cadillac DeVille.

This set features a bi-metal aluminum construction with a lead-free composite. This material choice is particularly well-suited for medium-load engines, offering a solid option for rebuilds where durability and performance are key. The silicon aluminum bi-metal material helps ensure consistent performance and longevity in these applications.