ACL High Performance main bearing set for Subaru EJ20/EJ22/EJ25 engines with thrust in the #5 main position, machined with extra oil clearance for improved oil flow under higher-load use. Fits the Saab 9-2X Aero and Subaru Forester, Impreza (including WRX), Legacy, and Outback. Standard Size fits a factory, unmachined crankshaft journal. CT-1 coated for reduced friction.
Specifications:
- Type: Main Bearing Set
- Coating: CT-1
- Size: Standard (Extra Oil Clearance)
- Engine Fitment: Subaru EJ20/EJ22/EJ25 (Thrust in #5 Position)
- Vehicle Platform: Saab 9-2X, Subaru Forester/Impreza/Legacy/Outback
- Part Number: 5M8309HXC-STD
FAQ
What's different about this set vs. the standard CT-1 version?
This set is machined with extra oil clearance for improved oil flow, in addition to the CT-1 coating.
What vehicles does it fit?
It fits the Saab 9-2X Aero, and Subaru Forester, Impreza (including WRX), Legacy, and Outback with thrust in the #5 main position.
Do I need a machined crankshaft?
No, Standard Size fits a factory, unmachined crankshaft journal.
What does the CT-1 coating do?
CT-1 is ACL's proprietary coating that reduces friction and improves bearing durability.

