The ACL 8B663HD-STD is a Rod Bearing Set in ACL's H-Series line, sized to Standard (stock, unmachined) connecting rod journal diameter and doweled for added positioning security in the rod. It is designed for Small Block Chevy and GM LS-Series engines.
Specifications:
- Type: Rod Bearing Set
- Series: H-Series, Doweled
- Size: Standard
- Engine Fitment: Small Block Chevy / GM LS-Series
- Part Number: 8B663HD-STD
FAQ
What engines does the ACL 8B663HD-STD rod bearing set fit?
It fits Small Block Chevy and GM LS-Series engines.
What does "doweled" mean on this bearing set?
The doweled design uses a locating dowel to help keep the bearing shell precisely positioned in the connecting rod.
What size journal does this bearing set require?
Standard, meaning it matches the stock (unmachined) connecting rod journal diameter.
What ACL series is this bearing set part of?
It is part of ACL's H-Series rod bearing line.

