High performance to meet the needs of high powered marine engines. * These products exceed all engine manufacturers-Feet specifications and are designed specifically for the marine environment. * Recommended for use in Mercury, Mercruiser, Johnson, Evinrude, OMC, Force, Mariner, Nissan, Suzuki, Yamaha and Volvo. * Recommended for all engines over 100 hp Protects against rust and corrosion. * Superior thermal stability Protection over a wide temperature range.