Engine Ice Hi-Performance Coolant is biodegradable, phosphate free, non-toxic, and typically reduces operating race temperatures, effectively keeping boil-over temperatures to 256°F or less and freeze-up protection to -26° F.“Right out of the bottle” Engine Ice Hi-Performance Coolant is ready to provide dependable horsepower and is proven to reduce operating temperatures. The key to horsepower is not losing it! Engine Ice Hi-Performance Coolant is engineered to maintain optimum operating temperature and reduce power loss from excess heat.Engine Ice Hi-Performance Coolant will provide you with reliable power and reduced operating temperatures regardless of the terrain you tackle.