Permatex Ultra Copper 3oz

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Permatex® Ultra Copper® Maximum Temperature RTV Silicone Gasket Maker

  • 700ºF Intermittent
  • Meets or exceeds OEM Specifications
  • Will not harm oxygen sensors
  • Low odor/non-corrosive
  • 3 oz. tube
  • Suggested Applications: Exhaust manifolds/headers, valve covers, oil pans, timing covers, water pumps, thermostat housings

OEM specified. Highest operating temperatures for 4-cylinder, turbocharged or high-performance engines. The most advanced, high temp RTV silicone gasket available. Sensor-safe, low odor, noncorrosive. Superior adhesion. Three times more oil resistant than conventional silicones; eight times more flexible than cut gaskets. Temperature range -75°F to 700°F (-59°C to 371°C) intermittent; resists auto and shop fluids and vibration.