The ACL 5M1010HC-STD is a standard-size, coated Race Series main bearing set for Ford Cleveland/Modified V8 engines (351C/351M/400M), sized for a factory, unmachined crankshaft journal.
Specifications:
- Type: Main Bearing Set
- Series: Race Series
- Size: Standard
- Coating: Coated
- Engine Fitment: Ford Cleveland/Modified (351C/351M/400M)
- Part Number: 5M1010HC-STD
FAQ
What does "Coated" mean on this bearing set?
It means the bearing surface carries a protective coating for improved break-in and wear resistance, as part of ACL's Race Series line.
Which Ford engines does the 5M1010HC-STD fit?
It fits the Ford Cleveland/Modified family: 351C, 351M, and 400M V8 engines.
What does "Standard" size mean here?
It means the bearings are sized for a factory, unmachined crankshaft journal.

