Add Sea Foam Motor Treatment to all fuel and oil systems to safely clean and lubricate critical engine areas. Cleans fuel injector and carburetor passageways, intake valves, and chamber deposits. Lubricates upper cylinders. Works in crankcase oil to liquefy harmful residues and deposits. Stabilizes gas and diesel fuels up to 2 years. Safe and effective in any gas or diesel fuel blend, and all motor oils, conventional or synthetic.