The ACL 5M909HC-010 is a coated Race Series main bearing set for Small Block Chevy 267-350 V8 engines, machined 0.010 in undersize to fit a crankshaft reground 0.010 in below stock journal diameter.
Specifications:
- Type: Main Bearing Set
- Series: Race Series
- Size: 0.010 in Undersize
- Coating: Coated
- Engine Fitment: Small Block Chevy (267-350)
- Part Number: 5M909HC-010
FAQ
What does "0.010 in Undersize" mean on this bearing set?
It means the bearings are sized for a crankshaft journal reground 0.010 in below the factory diameter.
Which engines does the 5M909HC-010 fit?
It fits Small Block Chevy V8 engines in the 267-350 cubic inch range.
Is this bearing set coated?
Yes, it is part of ACL's coated Race Series line.

