Bead-It Ultimate is a high temperature, low volatile, low odor RTV that is resistant to hot oil and glycol. OEM approved for use with O2 sensors. Use on oil pumps or pans, valve covers, thermostat housings, water pumps, timing chain covers, exhaust manifolds, and cross over manifolds. the unique finger trigger dispense allows you to draw any shape or size gasket with ease and keeps the product in the container fresher longer. Bead-It skinover in about 15 minutes and is completely cured in 24 hours. Not recommmended to be used in direct contact with gasoline, fuel oil, caustic or acid solutions.