Acting like a liquid grease, these unique lubricants contain a suspension of solid microscopic particles as an extreme pressure agent, offering a best of both worlds balance of low drag and superior protection for gear teeth Unique lubricant with solid microscopic particles offers low drag/high protection Relatively low viscosity, yet cushions gear teeth under extreme pressure Helps to prevent tooth breakage, resists throw-off Details: Sold as 1 Quart Avoid use with pumps, coolers, and filters as unique medium and affinity for metal can cause clogging Designed for wet sump transmissions and differentials with splash lubrication Film thickness greater than an SAE 75W90, yet low fluid friction like ATF Used in low-power dog-ring racing trans axles with moderate to low load, qualifying, etc.