Mercury Premium Plus TC-W3 2-Stroke Marine Engine Oil 858027K01 provides outstanding wear and corrosion protection to help extend the life of hard-working marine engines. This advanced synthetic blend formula is ideal for use in oil-injected, carbureted or electronic fuel injected (EFI) mid- to high-horsepower 2-stroke outboards. Continued use of Premium Plus helps reduce corrosion and carbon build-up and maintain peak engine performance even under extreme conditions, including extended full-throttle operation, high speeds and heavy loads. It meets all outboard and personal watercraft manufacturer recommendations for use of NMMA TC-W3 oils in premix or oil-injected 2-stroke applications.Product Details Manufacturer part number: 92-858027K01 For use in oil-injected, carbureted or electronic fuel injected (EFI) mid- to high-horsepower engines Provides outstanding wear and corrosion protection to help extend engine life Minimizes performance-robbing carbon deposits 1-gallon bottle Produced by Mercury Marine to our stringent specifications. Meets the requirements and recommendations of all 2-stroke outboard and personal watercraft manufacturers for use of TC-W3 oil. Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance.