ACL Bearings 8B743HNDC-STD Race Series Connecting Rod Bearing Set for Big Block Chevy, Standard, Narrowed, Doweled and Coated

Upgrade the bottom end of your Big Block Chevy engine with the ACL Bearings 8B743HNDC-STD Race Series connecting rod bearing set. Designed for 396–454 cubic-inch Chevrolet big-block applications, this standard-size bearing set provides a precise replacement solution for performance engines and demanding rebuilds. The narrowed design helps provide additional clearance where required, while the doweled construction supports secure bearing positioning during operation.
The ACL Bearings Race Series rod bearings feature a durable coated surface engineered to support reliable performance under high-load and high-RPM conditions. The coating helps promote smooth crankshaft journal interaction and improved resistance to wear, making this set well suited for street performance, racing, and other applications where dependable rotating assembly components are essential. Always verify crankshaft journal condition, bearing clearances, and application requirements before installation.
This kit is supplied in a standard size for compatible Big Block Chevy connecting rods and is intended for properly prepared engines using matching standard crankshaft journals. The 8B743HNDC-STD part number makes application identification straightforward when selecting replacement or upgrade components for a BBC build. ACL Bearings combines performance-focused design with consistent manufacturing to help support accurate assembly and long-term engine durability. Professional installation and precise clearance measurement are recommended for the best results.

Features:

• Brand: ACL Bearings

• Part Number: 8B743HNDC-STD

• Application: Big Block Chevy 396–454 engines

• Product Type: Connecting rod bearing set

• Series: Race Series

• Size: Standard

• Design: Narrowed and doweled

• Surface: Protective performance coating

• Use: Suitable for performance, racing, and engine rebuild applications