Q8 10W-50 Synthetic Motor Oil Q8 Formula F1 1-liter 10W-50 is a high-performing synthetic engine oil, designed for superior engine protection under intense driving conditions, particularly racing. Ideal for both normally aspirated and turbocharged gasoline and diesel engines. Always refer to your vehicle’s owner's manual to identify the oil viscosity required for your engine. Manufactured by Q8 Oils, a Kuwait Petroleum International brand.