XADO Gel-Revitalizant for Gasoline Engines (3-tube gift set) SPECIAL OFFER TUV - Certified! Restores and protects friction parts of the cylinder-piston group, crank and gas distributing mechanisms against wear. Reduces fuel consumption considerably (by up to 30% at idling). Increases oil pressure up to the nominal level. Regains and increases compression in cylinders. Increases engine power, improves acceleration capability.