What material are these main bearings made from?

These main bearings are made from a bi-metal aluminum material. They also feature a lead-free composite construction, which is environmentally safe.

Are these bearings suitable for high-performance or racing engines?

These bearings are specifically noted as ideal for medium-load engines. For high-performance or racing applications, it's always best to consult the manufacturer's specific recommendations for your build.

Does this main bearing set include all the necessary bearings for the crankshaft?

This is a main bearing set, which typically includes the bearings that support the crankshaft within the engine block. It's important to verify that this set contains all the specific main bearings required for your particular engine model.

Specifications

Brand: King Engine Bearings
Part #: MB480si
UPC: 611500514821

King Engine Bearings Buick 90-96 L27 V6 Main Bearing Set

Name: King Engine Bearings Buick 90-96 L27 V6 Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-buick-90-96-l27-v6-main-bearing-set-t14-118256
Price: 46.66 USD
Availability: BackOrder

$46.66

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

King Engine Bearings MB480si Main Bearing Set. Lead-free composite bearings for medium-load engines.

Key Features

Fits a wide range of Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.
Features a lead-free environmentally safe composite material.
Constructed from bi-metal aluminum for durability.
Ideal for medium-load engine 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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Will this fit your vehicle?

About this part

Product Details

When you're rebuilding the bottom end of your engine, getting the main bearings right is crucial for smooth operation and longevity. This King Engine Bearings Main Bearing Set, part number MB480si, is designed for a wide range of vehicles, including models like the Buick LeSabre, Pontiac Bonneville, and Oldsmobile 88. These bearings are a solid option for medium-load engines, helping to ensure your crankshaft spins true and without excessive wear.

King Engine Bearings specializes in creating high-performance bearings, and this set is no exception. They are constructed from a bi-metal aluminum material, offering a good balance of strength and wear resistance. The lead-free composite construction is also environmentally safe, which is a notable detail for many builders today. This means you get a well-built component that's designed to perform reliably in your engine rebuild.