Xtreme green heavy-duty oil stabilizer. Engine Oil Treatment. HELPS: Reduce friction, heat and wear /increase engine performance/ optimize fuel economy/ prevent oxidation and corrosion/ protect and condition seals. FORMULATED FOR: Gasoline and diesel engines/ motorcycles and small engines. EXAMPLE: Cummins engines/ Powerstroke engines/ Dura Max engines/ all types of V8, V6 and four cylinders engines. Works great for maintaining lawn mowers weed eaters ect.