Evans Coolant EC53001-EC42001 High Performance Waterless Coolant and Prep Fluid Combo Pack, 2 Gallon with Funnel Evans High Performance Waterless Coolant is specifically designed for all modern, classic, vintage gasoline engines, light duty diesels, LP and CNG vehicles Evans Waterless Coolants have a boiling point above 375 Degree Fahrenheit and will not vaporize, eliminating overheating, boil-over and after-boil, while generating very low vapor pressures reducing strain on engine cooling system components Evans Prep Fluid is a waterless cooling system flush designed to seek out remaining water after draining the cooling system of an engine, helping remove any residual water Water removal is critical as a water content higher that 3% will lower the boiling point, and may reduce the corrosion and pump cavitation protection of Evans Waterless Coolant Comes with funnel for easy pouring, color may vary