The Oil Injection Block Off Plugs for Yamaha PW50, PW80, and compatible 6061 billet aluminum models provide a quick and easy solution for repairing any vacuum leaks in your fuel system. Made to last, these oil injection block off plugs are crafted from high-strength aluminum, ensuring durability and performance for years to come. The vacuum plug, securely attached to the hardware, ensures a reliable and secure seal, eliminating the need for costly repairs. With options for replacement plugs and hardware, you can get your engine running again in no time. This set is perfect for DIY enthusiasts and professional mechanics alike, making it an essential tool for any workshop or garage.