Each and every product from Hi-Gear is engineered to meet or surpass the strictest of industry standard specifications. Hi-Gear maintains its own research and development facility and formulations are constantly under review to ensure the latest technologies are implemented. Hi-Gear ProPower radiator flush restores coolant passages to clean condition, and returns coolant systems to optimum efficiency be removing rust, crust, and sludge from the coolant system that can build up over time.