ACL Rod Bearings Standard Size 52mm Journal EJ Series (4B8296A-STD) | Subaru WRX 2002-2014 / STI 2004-2021

The ACL Rod Bearings Standard Size 52mm Journal are engineered for Subaru WRX 2002–2014 and Subaru STI 2004–2021 EJ-series engines, providing reliable oil control and consistent bearing support for OEM and performance-oriented engine rebuilds. Designed for standard oil clearance applications, these A-series rod bearings maintain factory-spec tolerances while delivering dependable durability for street and mild performance EJ engine builds.

KEY FEATURES

• OEM-style connecting rod bearings for EJ-series engines with 52mm rod journals
• Standard size specification maintains factory oil clearance targets
• Precision-manufactured for consistent bearing crush and proper rod alignment
• Provides stable oil film control under normal and performance driving conditions
• Ideal for stock rebuilds and refreshed EJ performance engine builds

TECHNICAL SPECIFICATIONS

• Bearing Type: Connecting rod bearing
• Journal Diameter: 52mm
• Size: Standard
• Engine Platform: Subaru EJ-series
• Material: OEM-equivalent performance bearing alloy
• Design Intent: Maintains factory oil clearance and reliable load support

VEHICLE FITMENT

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

ACL manufactures precision-engineered engine bearings designed to deliver consistent oil clearance, dependable durability, and reliable performance for street and performance engine builds.