Quicksilver Premium Plus 2-Stroke outboard oil is an advanced proprietary formula designed for all 2-Stroke outboard engine applications and is specifically formulated to meet the demands of high horsepower engines. Blended with high quality ashless dispersants this advanced formula maintains peak engine performance even under severe conditions such as extended full throttle heavy load and acceleration. Continued use of Quicksilver Premium Plus 2-Stroke Outboard oil will help reduce corrosion and carbon build-up while providing superior lubrication for internal engine components. Meets all outboards and personal watercraft manufacturers recommendations for use of NMMA TC-WII or TC-W3 oils in premix or oil injected 2-Stroke applications. The Quicksilver brand is the leader in delivering uncompromising engine oils parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts oils and accessories but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance protection and peace of mind.