Upgrade your engine's performance with the ACL 5M1957H-STD High Performance Main Bearing Set, designed specifically for For Acura D16A1 and For Honda H22A4 (1997-2001) as well as For Honda F23A (1998 and newer) models. This high-quality bearing set is engineered to provide enhanced durability and reliability, ensuring your engine runs smoothly under various conditions. The ACL main bearings are crafted from premium materials, allowing for superior wear resistance and improved oil retention. Ideal for both street and performance applications, this bearing set helps reduce friction, resulting in better engine efficiency and longevity. Whether you're a car enthusiast or a professional mechanic, this main bearing set is a must-have for your next engine rebuild or upgrade. Ensure your engine rebuild stays on track with the precision fit and advanced design of the ACL High Performance Main Bearing Set. Perfectly suited for a range of Honda and Acura models, this set delivers the quality and performance you expect from ACL products. <b>Features:</b> * High Performance: Enhances engine durability and reliability * Precision Fit: Designed specifically for Acura D16A1 and Honda H22A4/F23A models * Premium Materials: Superior wear resistance and improved oil retention