C K Fast Gasket Blue may be used to make any size or shape gasket to replace a wide range of cork, paper, asbestos, felt and metal gaskets. 100% silicone. Use on oil pans, oil pumps, water pumps, thermostat housings, timing case covers, valve covers, push rod covers, transmission pans, and cam shaft rear covers. Low volatility. Temperatures range up to 500ºF.