Mercury Marines High-Performance Gear Lube is engineered to provide maximum protection for sterndrive and outboard lower units. This exclusive formula extends gear life and protects in extreme conditions including high-speed and high-horsepower applications by protecting gears from metal-to-metal contact. Extensively tested and formulated to prevent failures, this gear lube provides protection for all Mercury MerCruiser sterndrive and Mercury, Mariner and Force outboard lower units. Do not mix with Mercury Premium Gear Lube. 32 oz. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.