Supreme Engine Shampoo - The Proven Product of Choice. Unique Proprietary Interactive Development. A long and indisputable track record guarantees its superior qualities. Formulated to provide maximum use and odor level tolerance. Developed specifically to cut labor times and costs. Produces unparalleled results in a single spray-and-rinse application. Restores the original appearance and creates a unique protective buffer. Demonstrated for all engine types including road, rail, marine and air.