Fast-drying, Permatex Copper Spray-A-Gasket Hi-Temp Adhesive Sealant helps dissipate heat, prevents gasket burnout and improves heat transfer. The gasket adhesive fills minor surface irregularities, seals instantly and helps fills hot spots and surface imperfections. The temperature range is from -50 to 500 degrees Fahrenheit (-45 to 260 degrees Celsius). It resists all types of automotive fluids, especially gasoline.

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