A professional foam formula is used for quick removal of any contaminants from the surfaces of the engine, gearbox and engine compartment: carbon and greasy deposits, streaks of technical fluids, road dirt, etc. It prevents destruction of electrical wiring of the engine compartment and protects from the fire hazard. Powerful detergents penetrate deep into the gaps between the parts, soften and remove even old dirt. It is safe for plastic and rubber. It can be used for cleaning concrete floors from oil. This formula is used in professional car detailing workshops of the USA. It comprises SMT2 which significantly enhances the product efficiency thanks to SMT2 property to detach soot and dirt from the surfaces of iron-containing alloys. It is recommended to use SP5435 twice a year and prior to repair works on the engine,transmission units, suspension parts, prior to car selling.