Gunk® EBGEL Engine Brite Heavy-Duty Engine Degreaser Gel, 15 OzHeavy Duty Gel, Our Best Engine Degreaser, is specially formulated to remove baked on grease and oil from hotter running engines. GUNK Heavy Duty Gel clings to the engine surface being sprayed and does not run off. Since the product stays where its sprayed, it has more time to penetrate baked on engine soils. Heavy duty degreasing ormula for Cars, Trucks, Power Mowers, Marine, Heavy Duty Rigs, Farm Equipment and Tractors as well as Industrial