The "B-Series" refers to a line of engines produced by Honda, known for their performance and reliability. These engines are commonly found in various Honda models, particularly in the Civic and Integra. The B-Series engines are popular among car enthusiasts for their ability to be easily modified and tuned for increased power. In addition to their performance capabilities, B-Series engines are also recognized for their lightweight design and efficient fuel consumption. They typically feature a DOHC (Dual Overhead Cam) configuration, which allows for better airflow and improved engine efficiency. This combination of features has made the B-Series a favorite in the automotive community.