What does the '020' size designation mean for these main bearings?

The '020' in the part number indicates that these main bearings are 0.020 inches undersize. This means they are intended for crankshafts that have been machined down by 0.020 inches during an engine rebuild.

What type of engine is this bearing set best suited for?

This bearing set features a lead-free composite material and is specifically noted as ideal for engines operating under low to medium loads. It's a good choice for many classic V8 applications where extreme high-performance demands aren't the primary focus.

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

This listing is for the King Engine Bearings Main Bearing Set (MB5516AM020). It includes the main bearings themselves. You will typically need to source separate engine oil, and potentially other related seals or gaskets, depending on your specific engine rebuild process.

Specifications

Brand: King Engine Bearings
Part #: MB5516AM020
UPC: 611500197024

King Engine Bearings Jeep 350CI 5.7L (Size 020) Main Bearing Set

Name: King Engine Bearings Jeep 350CI 5.7L (Size 020) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-jeep-350ci-5-7l-size-020-main-bearing--t14-848148
Price: 128.23 USD
Availability: BackOrder

$128.23

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King Engine Bearings 350CI 5.7L (Size 020) Main Bearing Set. Features lead-free composite for low-medium load engines.

Key Features

Fits 27+ vehicle make/model combinations.
Main bearing set is 0.020 inches undersize.
Features a lead-free environmentally safe composite.
Ideal for low to medium-load engines.
Constructed with a bi-metal aluminum material.

⚠️ 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

If you're rebuilding the bottom end of a 350 cubic inch, 5.7L engine, these main bearings from King Engine Bearings are a solid option. They are specifically sized at 0.020 inches undersize, which is important to note for your build. King has been specializing in engine bearings since 1960, focusing on supplying well-built components for a range of applications.

These particular main bearings utilize a lead-free composite material. This type of construction is ideal for engines that operate under low to medium loads, offering a good balance of performance and environmental consideration. The bi-metal aluminum construction provides a strong foundation for these bearings, designed to handle the demands of your engine's rotating assembly.

This set fits a wide variety of vehicles from the late 60s through the early 80s, including popular models like the Jeep Wagoneer, Buick LeSabre, and Pontiac Catalina. Always refer to the full fitment list to confirm compatibility with your specific vehicle.