The ACL 8B743HDC-001 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, and this set is doweled to positively locate the bearing shell in the rod for high-load race use. This 0.001 in undersize set is sized for a crankshaft that has been machined 0.001 in undersize on the rod journals.
Specifications:
- Type: Connecting Rod Bearing Set
- Series: Race Series (Coated)
- Size: 0.001 in Undersize
- Features: Doweled
- Engine Fitment: Big Block Chevy 396-454
- Part Number: 8B743HDC-001
FAQ
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, which is common on race-prepped Big Block Chevy 396-454 engines.
What does "0.001 in Undersize" mean on this ACL bearing set?
It means the bearing is sized to fit a crankshaft whose rod journals have been machined 0.001 in undersize, typically during a 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 on freshly built or reground race engines.
What engines does the ACL 8B743HDC-001 fit?
This connecting rod bearing set fits Big Block Chevy 396-454 engines.

