When you need a gasket that can handle the heat and oil, Permatex Ultra Black is the way to go. This RTV silicone gasket maker is perfect for tough jobs like valve covers, oil pans, intake manifold seals, and transmission pans. It cures fast, is sensor-safe, low odor, and won’t corrode your parts. Thanks to its patented adhesion system, it stays flexible and oil-resistant even under stress, meeting OEM specs and keeping your drivetrain warranty intact. It handles temps from -65°F to 550°F and stands up to engine fluids and vibrations like a champ. Whether you’re building an engine or just fixing a leak, this stuff gives you a reliable, long-lasting seal. The pack of 12 tubes means you’ll have plenty on hand for multiple projects. Trust Permatex to get the job done right.
