High Performance four stroke marine engine oil 8M0053662 is recommended for use in Mercury Verado and other high performance marine engines. It is SAE 25W50 weight oil. Provides outstanding wear and corrosion protection to help extend engine life. Meets or exceeds all marine engine manufacturer's warranty requirements and recommendations for use of an FC-W marine engine oil. It maintains its viscosity, protects against varnish buildup and sludge formation and exceeds the rust protection requirements for NMMA certification. This package is a one quart bottle.