Permatex ultra copper instructions for 1040

View Similar Products. Permatex Ultra Copper RTV Silicone. In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site. This Permatex Ultra Copper RTV silicone adhesive is designed to provide a waterproof, flexible, weather-resistant seal around metal. 7 $. Permatex 81878 #101 Sensor Safe Ultra Copper Hi Temp RTV, 3 oz. Tube. The most advanced, high temp RTV silicone gasket available. Highest operating temperatures for 4-cylinder, turbocharged or high-performance engines. Description. Permatex® Ultra Copper® Maximum Temperature RTV Silicone Gasket Maker. 700?F Intermittent. Meets or exceeds OEM Specifications. Will not harm oxygen sensors. Low odor/non-corrosive. 3 oz. tube. Suggested Applications: Exhaust manifolds/headers, valve covers, oil pans Permatex 27036 Fluidounces Optimum Grey Gasket Maker 3.35 oz, 3.35 Fluid_Ounces 4.8 out of 5 stars 84 $6.79. Note to Sears Representatives: Please make sure to obtain return instructions from us before sending merchandise back to us, in order to prevent loss of merchandise sent to wrong