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Valvoline Cobalt grease with pressure activated technology produces true heavy duty performance with a break-through viscosity delivery system that reduces friction and handles heat in extreme environments. With pressure activated technology, Valvoline Cobalt grease is capable of delivering ISO 1000 lubricating fluid to ensure EP protection and sufficient Film Thickness between even the heaviest-loaded metal surfaces. Valvoline Cobalt grease contains a lithium sulfonate complex thickening system that provides metal with inherent corrosion protection in harsh environments, even salt water.