ACL Mitsubishi 4G63/4G64 7 Bolt 2nd Gen DSM and EVO I-IX Standard Size Rod Bearing Set - 4B1185A-STD

Upgrade your engine's performance with the ACL Mitsubishi 4G63/4G64 7 Bolt 2nd Gen DSM and EVO I-IX Standard Size Rod Bearing Set - ACL-4B1185A. Engineered for high-performance enthusiasts, this rod bearing set is designed to meet the demands of high RPM conditions, ensuring your engine runs smoothly and efficiently. **Key Benefits and Features:** - **Enhanced Durability:** The high-strength overlay plate with reduced thickness enhances fatigue properties, making these bearings perfect for high-stress environments. - **Improved Support:** Hardened steel backs provide robust support for the bearing lining, ensuring stability and retention within the housing. - **Optimal Heat Transfer:** By eliminating flash plating on the back, these bearings improve heat dissipation, maximizing grip and performance. - **Superior Oil Flow:** The 3/4 grooved main bearings optimize the load-carrying surface area and oil flow, ensuring consistent lubrication to the conrod bearings. - **Precision Fit:** Tight, consistent wall tolerances help maintain precise clearances, crucial for high-performance applications. - **Adaptable Design:** Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring compatibility with advanced engine builds. - **Reliable Performance:** Increased eccentricity compensates for bore distortion at high RPMs, aiding in the formation of hydrodynamic oil films for smoother operation. This rod bearing set is crafted from tri-metal hardened steel, offering a perfect balance of strength and flexibility. Whether you're upgrading your DSM or EVO, this set ensures your engine can handle the pressure, delivering the performance you crave.