For the lower units of all outboard engines and sterndrives Formulated with special anti-wear additives, rust and corrosion inhibitors Exceeds all engine manufacturer specifications and is specifically designed for marine applications Recommended for use in Mercury, Mercruiser, Johnson, Evinrude, OMC, Force, Mariner, Nissan, Suzuki, Yamaha, Volvo, Tohatsu, and more Meets MIL-PSF-2105E, API MT-1, API GL-5, MACK GO-J, MACK GO-H and SAE J2360 specifications