Permatex® Ultra Copper® Maximum Temperature RTV Silicone Gasket Maker

The most advanced, high temp RTV silicone gasket available.

OEM specified. Highest operating temperatures for 4-cylinder, turbocharged or high-performance engines.  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.

Suggested Applications:

Exhaust manifolds/ headers, valve covers, oil pans, timing covers, water pumps, thermostat housings