Jet Plus has been formulated from high quality paraffinic base oils having a good oxidantion stability and high viscosity index. The incorporation of selected detergent, dispersant, anti-oxidant, anti-corrosive, anti-scuffing and anti-wear additives imparts the desired protective properties to the product for prolonged engine life. It Provides an ease of cold starting and higher viscosity at operating temperatures for better engine protection and reduced oil consumption.