Chemicals & Fluids › Cool Down Image 1 of 1 Cool Down $15.99 Reduces cylinder head temps 75F and overall coolant temps by up to 30FIncreases coolant flow for better heat transferLubricates all vital components without the crystallization of other coolant additivesProtects sensitive aluminum alloysFormulated for use with today's new OAT-formula engine coolantMeets ASTM D3306 specification as a stand alone engine coolant (when mixed with filtered water)Contains multiple surfactants for unsurpassed temperature reduction Quantity: Purchase Added! Reduces cylinder head temps 75F and overall coolant temps by up to 30FIncreases coolant flow for better heat transferLubricates all vital components without the crystallization of other coolant additivesProtects sensitive aluminum alloysFormulated for use with today's new OAT-formula engine coolantMeets ASTM D3306 specification as a stand alone engine coolant (when mixed with filtered water)Contains multiple surfactants for unsurpassed temperature reduction