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ACL Race Series 0.25mm Undersized Rod Bearings

When your Mitsubishi 4B11T crankshaft requires a significant grind, you need bearings that match the precision of your machine shop. These ACL Race Series 0.25mm (0.010") undersized rod bearings are the professional's choice for restoring clearance and ensuring long-term durability in the Lancer Evolution X and Ralliart platforms.

Engineered for Excellence

• Precision Fit: Designed for .25mm ground crankshafts to provide the exact oil clearance needed for high-performance operation.
• Tri-Metal Strength: Features a hardened steel backing and specialized overlay to handle the intense pressures of the 4B11T engine.
• Reliability: Reduces the risk of bearing failure in high-horsepower applications by maintaining consistent oil pressure.
• Compatibility: Perfect for all 4B11T variants, including GSR, MR, and Ralliart models.

Building a high-output 4B11T engine requires attention to every detail, especially the rotating assembly. These bearings are manufactured to the highest standards to ensure that your engine can handle the increased torque and RPMs of your build. By providing the correct clearance, you prevent oil starvation and heat-related failure, keeping your Evo X running strong. Trust in the proven quality of ACL Race Series components to protect your investment. Find all your essential engine rebuild parts and expert support at GGCRACING.