A highly refined petroleum product formulated with premium base stock and highly refined additives. Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda.. Sold in case packs only.. Excellent anti-wear characteristics reduces friction. Formulated to offer maximum corrosion protection. Reduces sludge to keep engine cleaner for better efficiency. Low temperature viscosity offers better cold starting. Meets and exceeds quality performance API SJ, CF-2, CH-4