ACL Race Rod Bearings Standard Size 48mm Journal EJ Series (4B8320H-STD) | Subaru WRX 2002-2014 / STI 2004-2021

The ACL Race Rod Bearings Standard Size 48mm Journal are engineered for Subaru WRX 2002–2014 and Subaru STI 2004–2021 EJ-series engines, delivering high-performance durability and consistent oil control in demanding engine builds. Designed for standard oil clearance applications, these race-series rod bearings provide enhanced load capacity and stability for performance street, track, and motorsports EJ engines.

KEY FEATURES

• Race-series connecting rod bearings for EJ-series engines with 48mm rod journals
• Standard size specification maintains intended oil clearance targets
• High-performance bearing design supports increased RPM and cylinder load
• Precision-manufactured for consistent bearing crush and accurate rod alignment
• Ideal for performance street, track, and competition EJ engine builds

TECHNICAL SPECIFICATIONS

• Bearing Type: Connecting rod bearing
• Journal Diameter: 48mm
• Size: Standard
• Engine Platform: Subaru EJ-series
• Material: High-performance tri-metal bearing alloy
• Design Intent: Provides reliable oil control and load support for performance applications

VEHICLE FITMENT

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

ACL manufactures precision-engineered engine bearings designed to deliver consistent oil clearance, improved load capacity, and reliable performance for street, performance, and motorsports engine builds.