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ACL Race Series Main Bearings (0.027mm Oversize)

When your Subaru EJ20, EJ22, or EJ25 crankshaft requires machining, precision is everything. The ACL Race Series 0.027mm Oversized Main Bearing Set is engineered to provide the exact clearance needed for a professionally ground crankshaft. These bearings maintain the high-performance standards that ACL is known for, ensuring your engine build is both reliable and powerful.

Technical Specifications

• 0.027mm Oversize: Precisely sized for crankshafts that have been machined to restore journal surfaces.
• #5 Thrust Position: Compatible with Subaru blocks requiring the thrust bearing at the #5 location.
• Race-Grade Materials: High-performance tri-metal design for maximum durability.
• Consistent Clearances: Manufactured to tight tolerances to ensure stable oil pressure.
• Engineered for Performance: Built to withstand the rigors of high-revving EJ engines.

Using the correct bearing size is critical for maintaining proper oil film thickness and preventing catastrophic engine failure. The ACL Race Series bearings are designed to provide the ideal balance between load-carrying capacity and friction reduction. Whether you are performing a full engine rebuild or a performance upgrade, these bearings offer the peace of mind that comes with using top-tier components. Ensure your machine shop measures your journals precisely to match these 0.027mm oversized bearings. Trust your next engine build to the high-quality parts available at GGCRACING.