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ACL Race Series Main Bearings: 0.25mm Oversize

For engine builders performing a full rebuild, the ACL Race Series Main Bearings (0.25mm Oversize) are the gold standard for restoring proper clearance to a line-honed engine block. These bearings are meticulously manufactured to withstand the rigors of high-performance driving, providing the perfect balance of load-carrying capacity and surface conformability.

Why Choose ACL Race Bearings?

• Precision Fitment: Specifically sized for crankshafts turned 0.25mm under, ensuring optimal oil clearance.
• Advanced Material Science: Utilizes a unique tri-metal design that excels in high-heat and high-RPM environments.
• Enhanced Durability: Superior fatigue strength ensures long-term reliability under boost or high-compression setups.
• Broad Compatibility: Engineered for seamless integration with B-Series and K-Series Honda/Acura powerplants.

The ACL Race Series is renowned for its ability to handle the increased stresses of modified engines. By providing a consistent oil film, these bearings prevent metal-to-metal contact, extending the life of your crankshaft and block. Whether you are running a naturally aspirated track build or a high-boost turbo setup, these bearings offer the peace of mind you need. Optimize your engine's internal clearances with high-quality components from GGCRACING.