The ACL 8B743HC-STD is a Race Series connecting rod bearing set for Big Block Chevy 396-454 engines. The tri-metal bearing surface is coated to reduce friction and speed break-in under sustained high-load, high-RPM use. This standard-size set is sized for a stock, unmachined rod journal.
Specifications:
- Type: Connecting Rod Bearing Set
- Series: Race Series (Coated)
- Size: Standard
- Engine Fitment: Big Block Chevy 396-454
- Part Number: 8B743HC-STD
FAQ
What does "Standard" size mean on this ACL bearing set?
It means the bearing is sized for a stock, unmachined Big Block Chevy 396-454 rod journal, with no crank regrind.
What is the coating on this ACL Race Series bearing set for?
The coating on the tri-metal bearing surface reduces friction and speeds break-in, useful on freshly built or reground race engines.
What engines does the ACL 8B743HC-STD fit?
This connecting rod bearing set fits Big Block Chevy 396-454 engines.
What if my crankshaft has been machined undersize?
If the rod journals have been machined undersize, use the matching undersize part number (such as 8B743HC-001 or 8B743HC-010) instead of this standard-size set.

