Radiator Specialty Company

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For Over 82 Years, Radiator Specialty Company products help make things work better.

GUNK® expanded its line of Cooling System Chemicals to include a new 16-ounce LIQUID KOOL® Cooling System Optimizer. It helps lower operating temperatures by improving the heat transfer and provides protects against corrosion. It is for high-performance autos, tradesmen trucks with high idle times, boat-towing, trailer-towing, SUVs, boats, motorcycles.

For 80 years, we have the broadest range of chemicals to care for cooling systems and engine blocks in a premium line (yellow containers) and value line (white containers) (See the entire line)

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