Product Details: Prepare your semi truck to be Ready for the Road Ahead™, with the Permatex ULTRA BLACK® RTV Silicone Gasket Maker that forms ultra-strong and solid silicone seals. By utilizing a liquid solution, this replacement device is able to create custom-fit silicone gaskets to seal engines, gearboxes, exhaust systems, and more. Built with an advanced system that keeps parts at their best with a resistance to water, oil , and other fluids. FleetPride is your First Click in Heavy Duty®.