The King Engine Bearings MB4508SI main bearing set is designed to provide optimal performance and durability for Honda and Acura engines, including models with J30, J32, J35, and J35Z engine series. Crafted with a bimetal construction featuring an aluminum silicon base, these bearings ensure reliable wear resistance and efficient heat dissipation for long-lasting engine operation. Whether you're rebuilding or maintaining your vehicle, this set offers a perfect fit for a range of Acura and Honda models from early 2000s to late 2000s. The bearings are engineered to meet or exceed OEM specifications, ensuring seamless integration and consistent engine performance. This set is ideal for applications requiring standard size bearings, providing a precise fit that maintains engine integrity and performance.