Upgrade your engine's performance with the ACL 5M1957H-.25 High Performance Main Bearing Set, designed specifically for Acura D16A1 and Honda H22A4/F23A models. Crafted with precision engineering, these oversized 0.25mm bearings provide improved oil clearance, ensuring optimal lubrication and reducing wear on your engine components. Perfect for both daily driving and high-performance applications, this set is essential for any serious automotive enthusiast. Made from high-quality materials, the ACL main bearings are engineered to withstand the rigors of high RPMs and extreme conditions. Each bearing is designed for a precise fit, helping to maintain engine integrity and enhance overall performance. Whether you're building a race engine or simply looking to refresh your ride, the ACL High Performance Main Bearing Set is a reliable choice for long-lasting durability and exceptional performance.