This ACL rod bearing set is a Standard size H-Series bearing built for Small Block Chevy and GM LS-Series engines, machined for a stock, unmachined connecting rod journal. This version adds extra oil clearance for improved oiling in performance applications.
Specifications:
- Type: Connecting Rod Bearing Set
- Series: H-Series
- Size: Standard
- Features: Extra Oil Clearance
- Engine Fitment: Small Block Chevy / GM LS-Series
- Part Number: 8B663HX-STD
FAQ
What size is this ACL rod bearing set?
This set is Standard size, machined for a stock, unmachined connecting rod journal on Small Block Chevy / GM LS-Series engines.
What engines does this rod bearing set fit?
It is designed for Small Block Chevy and GM LS-Series engines.
What does "Extra Oil Clearance" mean for this set?
This H-Series set is machined with additional bearing clearance to increase oil flow, which is useful in higher-output or higher-RPM applications.

