What is the difference between standard size and undersize bearings?

Standard size bearings are meant for a crankshaft that is at its original factory dimensions or has been machined back to standard. Undersize bearings are used when a crankshaft has been ground down to correct for wear or damage, and they are sized to match that specific ground dimension.

Do these bearings come with assembly lube?

This set includes the main bearings themselves. It is highly recommended to use a quality engine assembly lube on the bearing surfaces and crankshaft journals during installation to ensure proper lubrication on initial startup.

What is the overlay material on these bearings made of?

ACL's Race Series bearings utilize a multi-layer overlay material that is engineered for strength and durability. This material is designed to withstand the high loads and temperatures encountered in performance engine applications.

ACL Main Bearing Set 5M829H-STD for Chevrolet V8

Name: ACL Chevrolet V8 396/402/427/454 Race Series Standard Size Main Bearing Set
Brand: ACL
SKU: acl-acl-chevrolet-v8-396-402-427-454-race-series-standard-size-main-bearing-set-t14-4340826
Price: 112.83 USD
Availability: InStock

ACL Chevrolet V8 396/402/427/454 Race Series Standard Size Main Bearing Set

$112.83

Only 3 left in stock

ACL Chevrolet V8 396/402/427/454 Race Series Standard Size Main Bearing Set. Built for performance and durability.

Key Features

Fits Chevrolet V8 396, 402, 427, and 454 cubic inch engines.
Standard size bearings are designed for factory-spec or freshly machined crankshafts.
Race Series bearings feature a strong overlay material for improved wear resistance.
Provides essential oil clearance for the crankshaft.
ACL is a well-known manufacturer of engine bearings.

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Will this fit your vehicle?

Product Details

You get a full set of main bearings in this kit, which means one box handles the critical bottom-end rotating assembly for your Chevrolet V8. These ACL Race Series bearings are built to handle the demands of performance engines, whether you're building a street machine or a track car. They're designed to provide a solid foundation for your crankshaft, ensuring proper oil clearance and reduced friction under load.

ACL has been making engine bearings for a long time, and this Race Series set uses a well-built overlay material that's known for its strength and wear resistance. They're a standard size, meaning they're meant to be used with a factory-spec crankshaft. If your crank has been ground undersize, you'd need a different bearing set, but for a stock or freshly machined crank, these fit right in. They're a popular choice when rebuilding these classic big-block Chevy engines because they offer a good balance of performance and reliability.

This set is specifically for Chevrolet V8 engines with displacements like the 396, 402, 427, and 454 cubic inches. Make sure to check your specific application and engine build to confirm these are the correct bearings for your project. Proper installation and oiling are key to getting the most out of any bearing set.