Permatex Ultra Black RTV Silicone 3 oz tube

Use what we use!  Permatex Ultra Black RTV silicone adhesive is designed to provide a waterproof, flexible, weather-resistant seal around metal, glass, rubber, and more. It’s made to withstand temperatures of up to 500 degrees F.  This is a 3.35 oz tube and we use this sealer exclusively on ALL of our Viton® rear main installations!