Permatex OPTIMUM GREY® Hi-Temp RTV Silicone Gasket combines maximum torque load and vibration resistance with extreme temperature resistance: -65°F to 700°F (-54°C to 371°C) intermittent.
This combination joined with outstanding resistance to oils, coolant, and shop fluids make OPTIMUM GREY® one of the most versatile gasket makers available. In addition, OPTIMUM GREY® is sensor-safe, has a low odor and is non-corrosive.
•High temperature resistance
•Sensor safe, non-corrosive
•Superior adhesion and flexibility
•Replaces most cut gaskets
•Improved oil resistance
•Can be used as a gasket maker or dressing
• Exhaust manifolds/headers
• Valve covers
• Oil pans
• Thermostat housings