What is the main benefit of using bi-metal aluminum bearings?

Bi-metal aluminum bearings offer a good balance of strength and wear resistance, making them suitable for high-performance engine applications. This material choice helps ensure durability under demanding operating conditions.

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

This listing is for the main bearing set only. It is recommended to refer to the manufacturer's installation instructions for any additional hardware or specialized tools that may be required for proper installation.

Are these bearings suitable for a stock engine rebuild?

Yes, these standard size bearings are suitable for stock engine rebuilds, especially for the Chevy 400ci 6.6L V8. Their high-performance design also makes them a solid option if you plan on increasing the power output of your engine.

Specifications

Brand: King Engine Bearings
Part #: MB509HP
UPC: 611500530555

King Engine Bearings Chevy 400ci 6.6L V8 Std Size 3/4 Groove Bi-Metal Performance Main Bearing Set

Name: King Engine Bearings Chevy 400ci 6.6L V8 Std Size 3/4 Groove Bi-Metal Performance Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chevy-400ci-6-6l-v8-std-size-3-4-groov-t14-4315662
Price: 94.22 USD
Availability: BackOrder

$94.22

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King Engine Bearings performance main bearing set for Chevy 400ci 6.6L V8. Standard size, bi-metal aluminum.

Key Features

Fits a wide range of 1970-1980 Chevrolet and GMC V8 vehicles.
Standard size main bearing set for Chevy 400ci 6.6L V8 engines.
Constructed with a bi-metal aluminum material for high performance.
Features a lead-free composite that is environmentally safe.
Designed for engine rebuilding and performance applications.

⚠️ 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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About this part

Product Details

If you're rebuilding the bottom end of a Chevy 400ci 6.6L V8, getting the right main bearings is crucial for engine longevity and performance. King Engine Bearings specializes in this area, and their MB509HP set is built with a bi-metal aluminum material designed for high-performance applications.

These bearings use a lead-free composite that's environmentally safe, while still offering the durability needed for demanding engine builds. The standard size ensures a direct fit for many classic Chevy and GMC V8 engines from the 1970s and early 1980s, including popular models like the Chevrolet Impala and GMC Jimmy. King's focus on bearing technology means you're getting a well-built component designed to handle the stresses of regular operation and performance tuning.