ACL Bearings 8B743H-01 H-Series Connecting Rod Bearings, 0.001 in Undersize, Big Block Chevy

ACL Bearings H-Series connecting rod bearings are designed for high-performance Big Block Chevy engine applications that demand dependable fitment and durable bearing performance. Part number 8B743H-01 provides a 0.001 in undersize specification for crankshaft applications requiring precise bearing clearance adjustment. This kit is an appropriate replacement or upgrade choice for engine builders, performance enthusiasts, and professional technicians working on compatible Big Block Chevy assemblies.
The H-Series design supports demanding operating conditions through a performance-focused construction intended to promote consistent load distribution and reliable operation. Accurate bearing selection is essential for maintaining proper oil clearance, minimizing unwanted movement, and supporting long-term crankshaft and connecting rod service life. Verify crankshaft journal measurements, connecting rod specifications, and engine compatibility before installation to ensure the correct fit.
This ACL Bearings rod bearing set is supplied as a matched kit for installation in a compatible Big Block Chevy engine. The 8B743H-01 part number should be used when confirming application requirements, bearing size, and manufacturer specifications. Professional installation practices, including inspection of the crankshaft journals and measurement of final clearances, are recommended for best results. The product is not air restricted and does not require truck freight handling.

Features:

• Brand: ACL Bearings

• Part Number: 8B743H-01

• Bearing Type: H-Series connecting rod bearing

• Undersize: 0.001 in undersize

• Application: Big Block Chevy engines

• Product Format: Connecting rod bearing set

• Air Restricted: No

• Truck Freight Only: No