Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 3.5 oz. Designed specially for high-torque and high vibration applications Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids OEM specified, guaranteed not to leak Low odor and non-corrosive formula Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, water pumps, thermostat housings