What does the '010' in the part number mean for these bearings?

The '010' indicates that these main bearings are 0.010 inch undersize. This means they are intended for use with a crankshaft that has been machined down by 0.010 inches to ensure proper clearance and fit.

What is the material of these King Engine Bearings?

These bearings are made from a bi-metal aluminum material with a lead-free, environmentally safe composite. This construction is chosen for its high-performance characteristics in engine applications.

Are these bearings suitable for stock replacement or performance builds?

These are performance main bearings, designed with a high-performance bi-metal aluminum composite. They are well-suited for engine rebuilds where improved reliability and durability are desired, including performance applications.

Specifications

Brand: King Engine Bearings
Part #: MB557HP010X
UPC: 611500530074

King Engine Bearings GM 262/267/302/307/327/350 (Size 010) Performance Main Bearing Set

Name: King Engine Bearings GM 262/267/302/307/327/350 (Size 010) Performance Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-gm-262-267-302-307-327-350-size-010-pe-t14-198540
Price: 108.83 USD
Availability: BackOrder

$108.83

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King Engine Bearings GM 262/267/302/307/327/350 (Size 010) Performance Main Bearing Set. Improves engine reliability with lead-free composite materials.

Key Features

Fits a wide range of GM 262, 267, 302, 307, 327, and 350 engines.
Features a lead-free, environmentally safe composite material.
Constructed with a bi-metal aluminum material for high performance.
Main bearing set is 0.010 inch undersize.

⚠️ 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 your GM V8, getting the main bearings right is crucial for a smooth-running engine. This performance main bearing set from King Engine Bearings is built for engines like the 262, 267, 302, 307, 327, and 350, fitting a wide range of vehicles from the 1980s through the late 90s, including models like the Chevrolet C1500 and Buick LeSabre.

King has been specializing in bearings since 1960, and this set uses a lead-free, environmentally safe composite material. This bi-metal aluminum construction is designed for high performance, offering a solid foundation for your rebuilt engine. The bearings are 0.010 inch undersize, which is important to note if you're machining your crankshaft.