The Permatex High Temperature RTV Silicone Gasket is the perfect solution for creating reliable, long-lasting gaskets for high temperature applications. This cartridge of RTV silicone gasket is formulated to resist cracking, shrinking and migrating caused by thermal cycling. It can be used to coat pre-cut gaskets to increase their reliability and performance. This high-temperature silicone gasket is ideal for automotive, industrial and marine applications. It is easy to apply and provides a strong, flexible seal that meets extreme temperatures. With this product, you can be sure your gaskets will stay in place and perform reliably. FleetPride is your First Click in Heavy Duty®.