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Precision Performance for Subaru EJ Engines

When rebuilding your Subaru EJ20, EJ22, or EJ25 engine, choosing the right bearing clearance is critical for longevity and performance. The ACL Race Series 0.030mm Oversized Main Bearings are designed for engines requiring additional clearance due to crankshaft machining. These bearings feature a unique combination of design, metallurgy, and engineering to provide the reliability needed for high-output street and track applications.

Key Features and Benefits

• Thrust Position #5: Specifically engineered for Subaru engines with the thrust bearing located in the #5 position.
• High-Strength Overlay: Enhanced fatigue resistance to handle increased cylinder pressures and high RPMs.
• Precision Tolerance: Manufactured to strict tolerances to ensure consistent oil film thickness and optimal lubrication.
• Hardened Steel Backs: Provides superior structural integrity under extreme load conditions.
• Improved Oil Clearance: The 0.030mm oversized design accommodates reground crankshafts, ensuring proper oil flow and pressure.

These bearings are the preferred choice for engine builders who demand consistency and durability. Whether you are building a daily driver or a high-performance rally machine, these ACL main bearings provide the peace of mind that your rotating assembly is protected. Proper installation and measuring of oil clearances are recommended to maximize the lifespan of your engine components. Trust GGCRACING for all your high-performance engine internal needs.