Liquid Performance Street Bike Coolant & Antifreeze (Single / 64oz) If your bike is running hot, then you&#39;re not getting peak performance. Reducing heat in the closed loop cooling system helps to maintain your bike&#39;s optimum horsepower. Liquid Performance has the solution - LP High Performance Street Bike Coolant & Antifreeze.Tested and dyno rated the #1 coolant on the market.Propylene glycol based, phosphate-free, virtually non-toxic and biodegradable.64 ounce bottle.Note: Boiling point