Use HPF PRO gear case lubricant for high performance outboards, commercial fleets, rental operations and stern drives.A high-viscosity blend of enhanced friction reducers, anti-foamagents, and synthetic E-P additives systematically deliverexceptional durability and reliability with ultimate film strength.Marine-specific inhibitors and emulsifiers deliver unequaledprotection against corrosion and lubricant breakdowns causedby water intrusion.Follow the procedures specified in the owner’s manual or servicemanual for gearcase lubricant service.Promotes long gearcase life in marine use, especially in severe duty applications.