The ACL 8B743HXXDC-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, this set is machined with extra oil clearance for higher oil flow at high RPM, the bearing edges are chamfered for additional crankshaft fillet clearance, and it is doweled to positively locate the bearing shell in the rod. This standard-size set is sized for a stock, unmachined rod journal.
Specifications:
- Type: Connecting Rod Bearing Set
- Series: Race Series (Coated)
- Size: Standard
- Features: Extra Oil Clearance, Chamfered, Doweled
- Engine Fitment: Big Block Chevy 396-454
- Part Number: 8B743HXXDC-STD
FAQ
What does "chamfered" mean on this bearing set?
Chamfered bearing edges provide additional clearance around the crankshaft fillet radius, which helps on stroker or aftermarket crankshafts with larger fillets.
What does "Extra Oil Clearance" mean on this bearing set?
It means the bearing is machined with additional running clearance for higher oil flow, useful on race engines running higher oil volume at high RPM.
What does "doweled" mean on this bearing set?
Doweled bearings have a locating pin that keeps the bearing shell correctly indexed in the connecting rod, common on race-prepped engines.
What engines does the ACL 8B743HXXDC-STD fit?
This connecting rod bearing set fits Big Block Chevy 396-454 engines, standard size.

