ACL Main Bearings for Mitsubishi 4G63/4G64 EVO V-IX 7 Bolt Standard Size

ACL Main Bearings for Mitsubishi 4G63/4G64 EVO V-IX — Standard Size Brand: ACL — engineered for high-performance and reliability. These main bearings are precision-made for Mitsubishi 4G63 and 4G64 engines found in EVO V through IX models with 7-bolt mains. Key Features Standard size: OEM fit for rebuilds that require factory journal dimensions. High-performance construction: Durable multi-layer metallurgy and optimized surface finish for superior fatigue strength and wear resistance. Extra oil clearance: Improved oil film management for turbocharged and high-boost applications, reducing risk of seizure under elevated loads. Precision fit: Strict manufacturing tolerances ensure consistent crankshaft alignment and smooth rotation. Compatibility: Direct replacement for Mitsubishi 4G63 / 4G64 engines used in EVO V, VI, VII, VIII, IX with 7-bolt main caps. Benefits These ACL main bearings deliver reliable engine protection during performance driving, track use, or high-mileage rebuilds. Expect improved oil pressure stability, reduced bearing wear, and long service life when installed and lubricated correctly. Installation & Recommendation Install with correct torque specifications and proper assembly lube. Verify crankshaft journal size and machine tolerances before selecting bearings. Recommended for boosted or high-RPM builds where extra oil clearance is advantageous. Optimize engine longevity and performance with ACL main bearings engineered specifically for the Mitsubishi 4G63/4G64 EVO V-IX 7-bolt application.