MC-4ST 10W-40 is the superior performance premium engine oil with 100% PAO & Ester, synthetic base oils combined advanced additive technology including *FULL ZINC (exceeding 1800 ppm levels) for maximum engine, gearbox & clutch protection against wear, corrosion, oil oxidation, piston deposits and sludge under all conditions. It exceeds the requirements of API SN/CF and JASO MA.

*Full Zinc   = Zinc level   Boron level combined as a total anti-wear package