This ACL 5M8312HO/S2-STD is a standard size main bearing set for the Subaru FA20 engine, machined with an outer diameter that is +.002in over ACL's standard specification.
Specifications:
- Type: Main Bearing Set
- Size: Standard, +.002in OD
- Engine Fitment: Subaru FA20
- Part Number: 5M8312HO/S2-STD
FAQ
What does the "+.002in OD" spec mean?
It means the bearing's outer diameter is machined .002in larger than ACL's standard-spec bearing, for engine blocks where the bearing bore has been opened up slightly.
Which engines does this fit?
It fits the Subaru FA20 engine.
What is the part number?
The part number is 5M8312HO/S2-STD.

