ACL Bearings 8B663H-10 H-Series Connecting Rod Bearing Set, 0.010 in Undersize, Small Block Chevy and GM LS-Series

Upgrade the bottom end of your performance engine with the ACL Bearings 8B663H-10 H-Series Connecting Rod Bearing Set. Designed for select Small Block Chevy and GM LS-Series applications, this rod bearing set features a 0.010-inch undersize configuration for crankshafts machined to the corresponding journal specification. The H-Series design is engineered for demanding street and competition use where dependable bearing performance and consistent operation are essential.
The ACL Bearings 8B663H-10 set is manufactured to support precise crankshaft-to-connecting-rod clearance when properly installed with compatible components. Its application-specific design makes it a practical choice for engine builders, rebuilders, and performance enthusiasts seeking replacement connecting rod bearings for a properly prepared Small Block Chevy or GM LS-Series engine. Always verify crankshaft journal measurements, connecting rod specifications, and engine compatibility before installation.
This connecting rod bearing set is supplied as a matched kit for a complete application installation. The ACL Bearings brand is recognized for producing engine bearings suited to high-performance and professional rebuilding environments. Follow the engine manufacturer’s installation procedures, use the correct assembly lubricant, and confirm bearing clearance with precision measuring tools to help ensure reliable service. The 8B663H-10 part number identifies the 0.010-inch undersize H-Series configuration.

Features:

• Brand: ACL Bearings

• Part Number: 8B663H-10

• Bearing Type: H-Series connecting rod bearing

• Undersize: 0.010 inch

• Application: Select Small Block Chevy and GM LS-Series engines

• Product Form: Complete connecting rod bearing set

• Use: Performance street, racing, and engine rebuilding applications