Lower unit lube formulated for extremes. Quicksilver engineers oil for marine applications. The high performance gear lube is formulated to provide excellent lubrication and corrosion protection to lower gear components in high-horsepower and high-speed outboards and sterndrives. Additives improve adhesion to gears and internal components to prevent metal-on-metal contact and reduce wear. Special emulsifiers have been added to prevent damage in the event that water enters the lower gear case. Protect the lower unit your high output engine with a lube designed for the extremes of marine use. Key Features Lower unit lube designed specifically for high-speed high-horsepower marine applications Additives increase film adhesion to prevent metal-on-metal contact of gear and internal components Emulsifiers have been added to protect internal components in the event that water enters the gear case Formulated to provide corrosion protection