Used For Spark Plug Threads Installed Into Aluminum Heads/ Exhaust Manifold Bolts/ Exhaust System Bolts/ Muffler Clamps/ Tailpipe Assemblies/ Oxygen Sensors/ Knock Sensors And Thermostat Housing Bolts; 8 Ounce Brush-Top Bottle; Copper Lubricant; From -30 Degree Fahrenheit To +1800 Degree Fahrenheit; Single