The ACL 8B663HC-STD is a standard-size H-Series connecting rod bearing set for Small Block Chevy / GM LS-Series 305-400 engines. It is sized for a stock, unmachined rod journal and finished with ACL's coated bearing surface.
Specifications:
- Type: Connecting Rod Bearing Set
- Series: H-Series
- Size: Standard
- Engine Fitment: Small Block Chevy / GM LS-Series 305-400
- Part Number: 8B663HC-STD
FAQ
What size does the ACL 8B663HC-STD fit?
It is a standard-size rod bearing set, built for a stock, unmachined rod journal.
What engines is the ACL 8B663HC-STD designed for?
Small Block Chevy and GM LS-Series 305-400 engines.
What series is the ACL 8B663HC-STD?
It is part of ACL's H-Series connecting rod bearing lineup.
Does the ACL 8B663HC-STD include extra oil clearance?
No extra-oil-clearance data is listed for this specific part number.
Is the ACL 8B663HC-STD coated?
Yes, it uses ACL's coated bearing surface.

