The ACL 8B663A-10 is a Rod Bearing Set in ACL's A-Series line, sized for a 0.010 in undersize connecting rod journal — meaning it is intended for a rod journal that has been machined 0.010 in below stock diameter. It is designed for Small Block Chevy and GM LS-Series engines.
Specifications:
- Type: Rod Bearing Set
- Series: A-Series
- Size: 0.010 in Undersize
- Engine Fitment: Small Block Chevy / GM LS-Series
- Part Number: 8B663A-10
FAQ
What engines does the ACL 8B663A-10 rod bearing set fit?
It fits Small Block Chevy and GM LS-Series engines.
What size journal does this bearing set require?
It is sized for a 0.010 in undersize connecting rod journal, for a rod journal machined 0.010 in below the stock diameter.
What ACL series is this bearing set part of?
It is part of ACL's A-Series rod bearing line.
Is the ACL 8B663A-10 a full engine bearing kit?
No, it is a rod bearing set for the connecting rods only.

