Ultra Grey rigid high-torque RTV silicone gasket maker. OEM specified. Designed specially for high-torque and high-vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturer's performance requirements. Noncorrosive and low-odor. Maximum vibration resistance, with outstanding resistance to oils, cooling, and shop fluids. Guaranteed not to leak. Temperature range -65 deg. F. to 500 deg. F. (-54 deg. C. to 260 deg. C.) intermittent. Suggested applications: Valve covers, oil pans, intake manifold end seals, timing covers, water pumps, and thermostat housings.