For high operating temperatures common in 4-cylinder, turbocharged or high-performance engines. The most advanced, high temp RTV silicone gasket available. Sensor safe, low odor, non-corrosive. Superior adhesion. 3X more oil-resistant than conventional silicones, 8X more flexible than cut gaskets. Temperature range 65 to 700 deg F intermittent resists auto and shop fluids and vibration.