Check the listing for details. ENGINE ICE Hi Performance Coolant 1/2 Gal 10850 1/2 GAL. Condition: New. Listed at 30.49 USD. Features: Made of Propylene which is biodegradeable and non-toxic Premixed with deionized water which eliminates all impurities - even distilled water contains particles of metal and chemicals which cause scarring, scaling, clogging and mineral buildup Proven to reduce operating temperatures by as much as 50?F - a necessity for today*s high-performance bikes which overheat just idling Engine ice is the only coolant sold in motorcycle dealerships that is legal in AMA, CCS, FUSA Road Racing and AMA/Prostar Drag Racing Used by top racersFeatures: Made of Propylene which is biodegradeable and non-toxic Premixed with deionized water which eliminates all impurities - even distilled water contains particles of metal and chemicals which cause scarring, scaling, clogging and mineral buildup Proven to reduce operating temperatures by as much as 50?F - a necessity for today*s high-performance bikes which overheat just idling Engine ice is the only coolant sold in motorcycle dealerships that is legal in AMA, CCS, FUSA Road Racing and AMA/Prostar Drag Racing Used by top racers