Description:

West Marine Premium 4 Stroke Full Synthetic Engine Oil, 10w30, Gal. . Exclusive custom additive package provides maximum anti-wear protection. Formulated in combination with a full synthetic base stock to ensure excellent protection from oxidation and oil breakdown even under extreme or high operating hour conditions. Ideal for all high-performance engines or heavy-duty commercial conditions. Exceeds OEM and industry requirements will not void engine warranty.