Engine Ice Hi-Performance Coolant is a phosphate-free coolant and antifreeze. Engine Ice has a 20+ year history of providing the most hi-performance coolant and antifreeze in the powersports market.It is available in three different formulas for multiple powersports uses, each with a specific freeze protection goal.Motorcycle Coolant - Boil over protection at 256F, freeze protection to -7FSXS/ATV Coolant - Boil over protection at 256F, freeze protection to -28FSnowmobile/Winter Coolant - Boil over protection at 260F, freeze protection to -45FAll Engine Ice Hi-Performance Coolant formulations have the ability to prevent corrosion within all cooling systems, including aluminum, copper, cast iron, steel, magnesium & solder.Performance right out of the bottleEngine Ice Hi-Performance Coolant is ready to provide you with dependable horsepower and reduce operating temperatures. The key to horsepower is not losing it! Our engineers have designed all Engine Ice Hi-Performance Coolant formulas to keep your operating temperatures at optimum performance and not lose power through excess heat.Engine Ice Hi-Performance Coolant will provide dependable power and reduced operating temperatures regardless of the terrain you tackle.Engine Ice Hi-Performance Coolant has an excellent high heat capacity and thermal conductivity characteristic.