ACL Bearings 8B663H-STD H-Series Connecting Rod Bearing Set for Small Block Chevy and GM LS-Series

The ACL Bearings 8B663H-STD H-Series Connecting Rod Bearing Set is designed for performance-focused Small Block Chevy and GM LS-Series engines. These standard-size connecting rod bearings provide a dependable replacement solution for engine builds, rebuilds, and applications requiring consistent bearing support and reliable crankshaft operation. The H-Series design is suited to demanding engine environments where durability and precise fit are important.
The 8B663H-STD bearing set is manufactured for standard crankshaft journals and is intended for compatible Small Block Chevy and GM LS-Series connecting rod applications. Proper clearance verification, crankshaft inspection, and adherence to the engine manufacturer’s installation procedures are recommended before assembly. Always confirm application compatibility and required bearing specifications for the specific engine build.
ACL Bearings is recognized for producing engine bearing components for street, performance, and competition applications. This connecting rod bearing set offers a practical option for replacing worn or damaged bearings while supporting accurate engine assembly. The kit is supplied as a matched set for the intended application and should be installed by a qualified technician using appropriate lubrication and torque procedures.

Features:

• Brand: ACL Bearings

• Part Number: 8B663H-STD

• Bearing Type: H-Series connecting rod bearing set

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

• Bearing Size: Standard

• Use: Engine rebuild, replacement, and performance applications

• Installation: Verify crankshaft condition and bearing clearances before assembly