ACL Bearings 8B743HDC-001 Race Series Connecting Rod Bearing Set, 0.001 in Undersize, Coated, Big Block Chevy

The ACL Bearings 8B743HDC-001 Race Series Connecting Rod Bearing Set is designed for high-performance Big Block Chevy 396–454 engines. Each bearing is manufactured to support demanding racing and performance applications, offering dependable fitment and durability for engine builds that require a 0.001 in undersize bearing specification. The coated surface helps promote consistent operation and added protection under challenging conditions.
The doweled design helps maintain proper bearing alignment within the connecting rod assembly, supporting reliable oil clearance and stable performance. This bearing set is intended for crankshaft and connecting rod combinations that have been precisely measured and prepared for the specified undersize. Professional installation and careful clearance verification are recommended to help ensure proper engine performance and bearing life.
ACL Bearings Race Series components are developed for builders who demand accurate fit, robust construction, and dependable performance from critical engine internals. This kit provides a practical replacement or upgrade solution for compatible Big Block Chevy applications, including 396–454 cubic-inch engine families. Confirm engine specifications, crankshaft journal measurements, and bearing requirements before installation.

Features:

• Race Series construction for high-performance engine applications

• 0.001 in undersize specification for compatible crankshaft journals

• Coated bearing surface for added protection and dependable operation

• Doweled design helps maintain proper bearing alignment

• Designed for Big Block Chevy 396–454 engines

• Connecting rod bearing set supplied as a kit