Permatex'sThe Right Stuff 90 Minute Black Gasket Maker is formulated to create a quick, reliable seal with minimal curing time, enabling parts to be put back in service without delays. The Right Stuff 90 Minute Black Gasket Maker allows technicians to make leak-proof gaskets by delivering a strong and highly flexible silicone seal that offers durability and reliability. It is blow-out resistant and can be used on applications including valve covers, intake manifolds, coolant, flanges, oil pans, and timing covers. It works on applications in all types of passenger and commercial vehicles, including medium and heavy duty trucks. It has an operating temperature range from -65 degrees F to 500 degrees F.