ACL Bearings 8B663A-STD A-Series Connecting Rod Bearing Set for Small Block Chevy and GM LS-Series, Standard

The ACL Bearings 8B663A-STD A-Series Connecting Rod Bearing Set is designed for standard-size connecting rod applications in Small Block Chevy and GM LS-Series engines. Built for engine rebuilds and performance-focused service work, this bearing set supports dependable crankshaft-to-connecting-rod operation when matched with properly prepared journals and correct installation procedures.
The A-Series design provides a reliable bearing solution for builders seeking consistent fit and functional performance in street, restoration, and competition-oriented engine projects. The standard specification is intended for crankshaft journals that remain at their original factory size, making this set a practical choice when inspection confirms that no undersize bearing is required. Always verify crankshaft condition, bearing clearance, and application compatibility before installation.
Manufactured by ACL Bearings, part number 8B663A-STD, this connecting rod bearing set is supplied for Small Block Chevy and GM LS-Series engine applications. Use professional assembly practices, including proper cleaning, lubrication, torque procedures, and clearance measurement, to help achieve reliable engine performance and service life. This product is not air restricted and is not designated for truck freight only.

Features:

• Brand: ACL Bearings

• Part Number: 8B663A-STD

• Product Type: Connecting rod bearing set

• Bearing Series: A-Series

• Size: Standard

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

• Use: Engine rebuilding, repair, and performance applications

• Air Restricted: No

• Truck Freight Only: No