Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon Engine Ice hi-performance coolant is biodegradable, phosphate free and non-toxic, typically reduces operating race temperatures and effectively keeping boil over temperatures to 256 Fahrenheit or less and freeze-up protection to -26 Fahrenheit With an average reduction in operating temperatures of 10 Fahrenheit - 20 Fahrenheit Engine Ice is perfect for racing or street, motorcycle or auto, ATV or snow machine Engine Ice hi-performance coolant is legal in CCS and ASRA road racing and permitted at many tracks around the world Engineered to keep your operating temperatures at optimum performance to not lose power through excess heat; Engine Ice is safe for aluminum and most all metals Uses propylene glycol, which has been proven to eliminate water pump gasket and seal failures; it has also shown in high load, high stress conditions to reduce operating temperatures more than standard coolants