Lubegard 96430 Heavy Duty 2-in-1 Coolant Treatment, 32 fl. oz. Provides 2-in-1 corrosion protection and temperature reduction Provides complete protection from corrosion and chemical electrolysis Protects wet sleeve cylinder liners from cavitation erosion Prevents build-up of scales, deposits and slime that cause overheating Significantly extends life of water pump impellers and seals