The Areyoushop Oil Injection Block Off Plugs are engineered for high-performance riders, particularly those of the PW50 and PW80 Yamaha models. These block off plates are made of robust 6061 billet aluminum, ensuring durability and longevity. They feature vacuum plugs on both sides, allowing for efficient fuel and oil separation. The mounting hardware comes with the package, making installation a breeze. With this upgrade, you can enjoy improved engine performance, reduced oil dilution, and enhanced fuel efficiency.