Design Engineering 40200 Radiator Relief

Design Engineering Radiator Relief is a high-performance coolant additive engineered to significantly reduce engine temperatures—by up to 30°F—making it an essential upgrade for any vehicle facing heat-related performance issues. This 100% biodegradable, non-toxic formula is compatible with all types of anti-freeze and radiator materials, including aluminum, copper, brass, and cast iron. Radiator Relief™ not only enhances heat transfer for more efficient cooling but also includes anti-foaming agents and corrosion inhibitors to protect your system from scale buildup, electrolysis, and chemical corrosion. Whether you're driving a daily commuter or a high-performance vehicle, this additive helps maintain optimal engine temperatures and extends the life of your cooling system.