Permatex, 3.35 OZ Tube Ultra Blue RTV Silicone Gasket Maker, No Leak, More Flexible Under Typical Engine Conditions Upon Exposure To Oil, Resistant To Oil & Won't Break Down Under High Heat, Low Volatile, Won't Foul Engine Computer Sensors, Won't Harm Aluminum, Iron, Plastic Or Steel, No Vinegar Odor, Carded.