What size crankshaft journals do these bearings fit?

These are standard size connecting rod bearings. They are intended for use with crankshaft journals that are still within their original factory specifications and have not been machined undersize.

What is the difference between Race Series and standard bearings?

The Race Series bearings are built with advanced materials and manufacturing processes to offer improved strength and durability, making them suitable for higher-performance applications compared to basic OEM-style bearings.

Do I need to replace all the connecting rod bearings when rebuilding my engine?

Yes, it is standard practice to replace all connecting rod bearings as a set when rebuilding an engine. This ensures consistent wear and performance across all connecting rods.

Specifications

Brand: ACL
Part #: 1B743HD-STD
UPC: 9315726168028

ACL Chevrolet V8 396-402-427 Race Series Standard Connecting Rod Bearing Set

Name: ACL Chevrolet V8 396-402-427 Race Series Standard Connecting Rod Bearing Set
Brand: ACL
SKU: acl-acl-chevrolet-v8-396-402-427-race-series-standard-connecting-rod-bearing-set-t14-4387854
Price: 36.97 USD
Availability: BackOrder

$36.97

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ACL Race Series connecting rod bearings for Chevrolet V8 396-427ci engines. Direct fit.

Key Features

Fits 51+ vehicle make/model combinations.
Standard size for factory-spec crankshaft journals.
Race Series construction for improved durability and performance.
Designed for Chevrolet V8 engines including 396, 402, 427, 454, and 8.1L Vortec.
Well-built by ACL, a long-standing engine bearing manufacturer.

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About this part

Product Details

ACL has been making engine bearings for decades, and this Race Series connecting rod bearing set for your Chevrolet V8 is one of their staples. These bearings are built to handle the demands of performance engines, whether you're building a street machine or a dedicated race car. They're designed to provide a solid foundation for your engine's rotating assembly, ensuring reliable operation under stress.

This set features a standard size, meaning they're meant to be used with factory-spec crankshaft journals. The Race Series construction uses advanced materials and manufacturing techniques to offer improved durability and performance compared to stock bearings. They're a popular choice when rebuilding or upgrading engines like the Chevrolet 396, 402, 427, 454, and even the larger 8.1L Vortec V8. When you're putting together an engine that needs to perform, having well-built bearings like these is crucial for longevity and power delivery.

If you're in the process of rebuilding your V8, these bearings are a smart choice. They fit a wide range of Chevrolet vehicles from the mid-60s through the mid-70s, covering many popular classic muscle cars and trucks. Make sure to check the fitment list to confirm compatibility with your specific application.