Permatex Ultra Copper is a high temperature RTV gasket maker, resisting temperatures up to 700°F (371°C). Ultra Copper is tested to exceed OEM specifications and is ideal for high temperature applications such as turbocharger applications and exhaust systems. For maximum performance, with the highest temperature resistance today up to 750°F (399°C) check out Permatex’s Optimum Red.

• Sensor-safe, low odor, non-corrosive
• Superior adhesion
• Three times more oil resistant than conventional silicones; eight times more flexible than cut gaskets
• Temperature range -65F to 700F intermittent; resists auto and shop fluids and vibration 
• Suggested Applications: Exhaust manifolds/headers, valve covers, oil pans, timing covers, water pumps, thermostat housings