ACL Race Main Bearings Standard Size Position #5 Extra Oil Clearance (5M8309HX-STD) | Subaru WRX 2002-2014 / STI 2004-2021

ACL race main bearings with extra oil clearance at Position #5 help protect Subaru EJ engines where crankshaft loading and heat are the most intense.

KEY FEATURES

• Standard size main bearings with increased oil clearance
• Position #5 specific bearing for EJ applications
• Improved oil flow to reduce localized bearing temperature
• High-strength bearing alloy for demanding engines
• Ideal for builds running higher boost and RPM targets

VEHICLE FITMENT

• Subaru WRX 2002-2014
• Subaru STI 2004-2021

ACL performance engine bearings deliver race-proven durability and precision for Subaru high-boost and high-RPM builds.