Madditive Cool Down: Gas & Diesel Coolant Additive - 16 Oz Men's Rebar Cotton Strong Block Rotopax are the only EPA

Rotopax are the only EPA and CARB compliant containers available for sale in the United States

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Madditive Cool Down: Gas & Diesel Coolant Additive - 16 Oz Men's Rebar Cotton Strong Block Rotopax are the only EPAVP Racing Cool Down coolant additive is proven to reduce your engine temps (by up to 30F) & cylinder head temps (by up to 75F) while improving coolant flow. It works for gas and diesel engines & is safe for all radiator systems. Cool Down is ideal for your racing and street vehicles, RV, & towing applications. Our coolant additive lubricates all vital components & is approved by most race sanctioning bodies. Just one 16 Oz. bottle treats 12 20 quart