Liqui Moly Premium 5W-40 Synthetic Motor Oil & Jectron Fuel Injection Cleaner Combo 2041 2007 Includes one 5L bottle of 5W40 Synthetic Motor Oil (2041) and one 300ml can of Jectron Gasoline Fuel Injection Cleaner (2007) The 5W40 motor oil is a year-round oil for petrol and diesel engines. Especially suitable where there are long intervals between oil changes and extreme demands. Saves fuel and provides maximum engine performance Jectron eliminates starting problems, hestitations and stalling Provides smoother idling and better throttle response