PROTEC FLEX ENERGY SN It is 100 % fully synthetic engine oil, formulated with new friction modifier to enhance fuel economy. Fortified with Low SAP additive chemistry to limit sulphated ash and special type ZDP based chemistry for better phosphorous retention. New active cleaning agent is added to control turbocharger coking. It is also formulated with emulsion stablizer for bio fuel use. PROTEC FLEX ENERGY SN is certified API SN and ILSAC GF-5 and GM dexos1 approved for SAE 5W- 30. It is available in SAE 0W-20, SAE 0W-30, SAE 5W- 20, SAE 5W- 30 and SAE 10W-30 viscosity grades to provide maximum fuel saving and to meet long drain requirements. Compatible to all vehicles running on lead free gasoline,ethanol, LPG and CNG.