Size: 14 Oz.Designed To Clean The Inside And Outside Of Carburetors As Well As PCV Valves And Throttle Body PlateAlso Removes Gum, Varnish And Dirt Buildup On All Unpainted Metal PartsHelps To Keep Your Engine Easy To Start, Running Smoothly And Trouble-FreeSafe For Oxygen Sensors And Catalytic ConvertorsNot Recommended For Fuel-Injected Vehicles