Product: Syncro Premium 80W- 90/90/140/85W-140 Description And Recommendation: They have special extreme pressure additives suitable for heavy duty operations in heavy commercial vehicles. Viscometric / Consistency SAE 80W-90/ 90/140/85W-140 Standards - API GL-5 - IS 1118 : 1992 (EP type GL-5) - MIL-L-2105 D - CS 3000 B