Functional Fluid, Lubricant, Grease (including Additives)

Rislone Hy-per Cool Radiator Cleaner and Super Flush will help your cooling system by removing deposits that build up over time causing overheating. Heavy duty formulation is specially designed to clean solder bloom, oily residue, rust and scale. Contains water pump lubricant and corrosion inhibitors, so will not damage the pump like other brands.